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Round|Lab Grown|IGI

1.51ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG12253607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12253607

Diamond specifications and retailer prices

From HK$2,566 HKD
$327 USD
As of November 1, 2026
Save HK$20,266 HKD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$22,832 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12253607 or 12253607. Listed at 18 retailers as of November 1, 2026, with prices from HK$2,566 to HK$22,832, a HK$20,266 spread on the same certified stone. Do Amore Diamonds lists it at HK$22,832. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12253607
Dimensions7.33 × 7.36 × 4.58 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment. Type IIa
Top View
7.33 mm7.36 mm1.51 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12253607
Side View
Table 59.0%Crown 35.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

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 1
Current: HK$22,832 HKD|Low: HK$2,566 HKD|High: HK$22,832 HKD|Avg: HK$7,474 HKD|+0.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 17HK$2,566 HKD
Retailer 14HK$2,982 HKD
Retailer 11HK$3,138 HKD
Retailer 5HK$3,186 HKD
Retailer 13HK$3,186 HKD
Retailer 18HK$3,664 HKD
Retailer 6HK$4,394 HKD
Retailer 7HK$5,218 HKD
Retailer 9HK$5,474 HKD
Retailer 2HK$5,671 HKD
Retailer 15HK$5,790 HKD
Retailer 10HK$6,328 HKD
Retailer 16HK$9,337 HKD
Retailer 8HK$9,572 HKD
Retailer 4HK$11,298 HKD
Retailer 3HK$12,529 HKD
Retailer 12HK$13,801 HKD
Do Amore DiamondsHK$22,832 HKD

16 data points across 18 retailers

18 retailersHK$2,566 HKD to HK$22,832 HKD

A
Cheapest Retailer
-
HK$2,566 HKD
$327 USD
A
Retailer 2
-
HK$2,982 HKD
$380 USD
View
B+
Retailer 3
-
HK$3,138 HKD
$400 USD
View
Retailer 4
-
HK$3,186 HKD
$406 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$3,186 HKD
$406 USD
View
A
Retailer 6
-
HK$3,664 HKD
$467 USD
View
A
Retailer 7
-
HK$4,394 HKD
$560 USD
View
Retailer 8
-
HK$5,218 HKD
$665 USD
View
Price last confirmed 12 days ago
A
Retailer 9
-
HK$5,474 HKD
$698 USD
View
A
Retailer 10
-
HK$5,671 HKD
£569 GBP
View
A
Retailer 11
-
HK$5,790 HKD
$738 USD
View
A
Retailer 12
-
HK$6,328 HKD
$807 USD
View
A
Retailer 13
-
HK$9,337 HKD
$1,190 USD
View
A
Retailer 14
-
HK$9,572 HKD
$1,220 USD
View
B+
Retailer 15
-
HK$11,298 HKD
$1,440 USD
View
B+
Retailer 16
-
HK$12,529 HKD
$1,597 USD
View
B+
Retailer 17
-
HK$13,801 HKD
£1,385 GBP
View
Most Expensive
B
Do Amore Diamonds
27-49FCA44C2 · Nov 2
HK$22,832 HKD
$2,910 USD
View
17 more retailers have this diamond
Prices start from HK$2,566 HKDSave up to HK$20,266 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$2,566 HKD