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Round|Lab Grown|IGI

1.51ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG816610502

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816610502

Diamond specifications and retailer prices

From HK$4,119 HKD
As of November 4, 2026
Save HK$18,083 HKD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$22,202 HKD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816610502 or 816610502. Listed at 23 retailers as of November 4, 2026, with prices from HK$4,119 to HK$22,202, a HK$18,083 spread on the same certified stone. Brilliant Earth lists it at HK$22,202. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816610502
Dimensions7.51 × 7.45 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.51 mm7.45 mm1.51 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816610502
Side View
Table 56.0%Crown 32.8°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: HK$22,202 HKD|Low: HK$4,119 HKD|High: HK$31,302 HKD|Avg: HK$12,163 HKD|-28.9%
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
November 6, 2026
Retailer 6HK$4,119 HKD
Retailer 8HK$4,589 HKD
Retailer 2HK$6,331 HKD
Retailer 4HK$6,417 HKD
Retailer 3HK$6,967 HKD
Retailer 9HK$6,974 HKD
Retailer 14HK$7,861 HKD
Retailer 15HK$10,489 HKD
Retailer 7HK$10,607 HKD
Retailer 12HK$12,827 HKD
Retailer 10HK$13,698 HKD
Retailer 11HK$15,212 HKD
Retailer 13HK$15,337 HKD
Retailer 5HK$16,091 HKD
Brilliant EarthHK$22,202 HKD

36 data points across 15 retailers

23 retailersHK$4,119 HKD to HK$22,202 HKD

Retailer 1
-
HK$3,624 HKD
Price last confirmed 45 days ago
Retailer 2
-
HK$3,624 HKD
View
Price last confirmed 27 days ago
Retailer 3
-
HK$4,056 HKD
View
Price last confirmed 45 days ago
A
Retailer 4
-
HK$4,119 HKD
View
Final sale: no returns
Retailer 5
-
HK$4,433 HKD
View
Price last confirmed 43 days ago
Retailer 6
-
HK$4,495 HKD
View
Price last confirmed 35 days ago
Retailer 7
-
HK$4,495 HKD
View
Price last confirmed 25 days ago
A
Retailer 8
-
HK$4,589 HKD
View
A
Retailer 9
-
HK$6,331 HKD
View
A
Retailer 10
-
HK$6,417 HKD
View
Retailer 11
-
HK$6,967 HKD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
HK$6,974 HKD
View
B+
Retailer 13
-
HK$7,861 HKD
View
B+
Retailer 14
-
HK$10,489 HKD
View
B
Retailer 15
-
HK$10,607 HKD
View
B+
Retailer 16
-
HK$12,827 HKD
View
B
Retailer 17
-
HK$13,698 HKD
View
Retailer 18
-
HK$14,443 HKD
View
Price last confirmed 30 days ago
Retailer 19
-
HK$14,443 HKD
View
Price last confirmed 46 days ago
B
Retailer 20
-
HK$15,212 HKD
View
B
Retailer 21
-
HK$15,337 HKD
View
B
Retailer 22
-
HK$16,091 HKD
View
Most Expensive
B
Brilliant Earth
21019166A · Nov 5
HK$22,202 HKD
$2,830 USD
View
22 more retailers have this diamond
Prices start from HK$4,119 HKDSave up to HK$18,083 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 Round
HK$4,119 HKD