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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG687560325

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG687560325

Diamond specifications and retailer prices

From HK$1,655 HKD
As of November 4, 2026
Save HK$10,506 HKD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$12,161 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG687560325 or 687560325. Listed at 25 retailers as of November 4, 2026, with prices from HK$1,655 to HK$12,161, a HK$10,506 spread on the same certified stone. Brilliant Earth lists it at HK$12,161. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687560325
Dimensions6.79 × 6.15 × 4.18 mm
L/W Ratio1.10
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.79 mm6.15 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687560325
Side View
Table 71.0%Crown 44.7°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$12,161 HKD|Low: HK$1,585 HKD|High: HK$13,809 HKD|Avg: HK$4,994 HKD|-11.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 3HK$1,655 HKD
Retailer 15HK$1,844 HKD
Retailer 8HK$1,914 HKD
Retailer 5HK$2,048 HKD
Retailer 9HK$2,048 HKD
Retailer 16HK$2,903 HKD
Retailer 14HK$3,319 HKD
Retailer 13HK$3,531 HKD
Retailer 2HK$3,742 HKD
Retailer 10HK$4,048 HKD
Retailer 12HK$4,770 HKD
Retailer 7HK$6,583 HKD
Retailer 18HK$6,606 HKD
Retailer 6HK$6,951 HKD
Retailer 17HK$7,399 HKD
Retailer 11HK$8,175 HKD
Retailer 4HK$8,473 HKD
Brilliant EarthHK$12,161 HKD

45 data points across 18 retailers

25 retailersHK$1,655 HKD to HK$12,161 HKD

A
Cheapest Retailer
-
HK$1,655 HKD
A
Retailer 2
-
HK$1,844 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,914 HKD
View
Retailer 4
-
HK$2,048 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
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HK$2,048 HKD
View
A
Retailer 6
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HK$2,307 HKD
View
B+
Retailer 7
-
HK$2,903 HKD
View
A
Retailer 8
-
HK$3,319 HKD
View
A
Retailer 9
-
HK$3,531 HKD
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A
Retailer 10
-
HK$3,742 HKD
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A
Retailer 11
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HK$4,041 HKD
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A
Retailer 12
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HK$4,048 HKD
View
A
Retailer 13
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HK$4,770 HKD
View
B+
Retailer 14
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HK$6,583 HKD
View
B+
Retailer 15
-
HK$6,606 HKD
View
B+
Retailer 16
-
HK$6,653 HKD
View
B+
Retailer 17
-
HK$6,951 HKD
View
B+
Retailer 18
-
HK$6,998 HKD
View
Retailer 19
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HK$7,399 HKD
View
Price last confirmed 7 days ago
B
Retailer 20
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HK$8,011 HKD
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B
Retailer 21
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HK$8,175 HKD
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B
Retailer 22
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HK$8,340 HKD
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Retailer 23
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HK$8,473 HKD
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Price last confirmed 22 days ago
B
Retailer 24
-
HK$9,627 HKD
View
Most Expensive
B
Brilliant Earth
17804972A · Nov 4
HK$12,161 HKD
$1,550 USD
View
24 more retailers have this diamond
Prices start from HK$1,655 HKDSave up to HK$10,506 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Radiant
HK$1,655 HKD