CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG793631681

Shape and cutting style on the report: Round brilliant

Certificate IGI LG793631681

Diamond specifications and retailer prices

From HK$1,844 HKD
As of November 5, 2026
Save HK$8,403 HKD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$10,246 HKD at Reve Diamonds · As of November 4, 2026
View at Reve 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG793631681 or 793631681. Listed at 21 retailers as of November 4, 2026, with prices from HK$1,844 to HK$10,246, a HK$8,403 spread on the same certified stone. Reve Diamonds lists it at HK$10,246. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793631681
Dimensions7.33 × 7.28 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.33 mm7.28 mm1.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793631681
Side View
Table 55.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.3%

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 5
Current: HK$4,268 HKD|Low: HK$1,828 HKD|High: HK$10,246 HKD|Avg: HK$5,007 HKD|+6.5%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 5HK$1,844 HKD
Retailer 11HK$2,063 HKD
Retailer 12HK$2,142 HKD
Retailer 2HK$2,291 HKD
Retailer 14HK$2,291 HKD
Retailer 3HK$3,868 HKD
Retailer 13HK$4,260 HKD
Retailer 1HK$4,268 HKD
Retailer 10HK$4,299 HKD
Retailer 6HK$7,359 HKD
Retailer 9HK$7,382 HKD
Retailer 4HK$7,759 HKD
Retailer 7HK$8,551 HKD
Retailer 8HK$9,140 HKD
Reve DiamondsHK$10,246 HKD

45 data points across 15 retailers

21 retailersHK$1,844 HKD to HK$10,246 HKD

Retailer 1
-
HK$1,828 HKD
Price last confirmed 45 days ago
A
Retailer 2
-
HK$1,844 HKD
View
A
Retailer 3
-
HK$2,063 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$2,142 HKD
View
Retailer 5
-
HK$2,236 HKD
View
Price last confirmed 45 days ago
Retailer 6
-
HK$2,291 HKD
View
Price last confirmed 12 days ago
A
Retailer 7
-
HK$2,291 HKD
View
A
Retailer 8
-
HK$3,413 HKD
View
B+
Retailer 9
-
HK$3,868 HKD
View
B+
Retailer 10
-
HK$4,260 HKD
View
B+
Retailer 11
-
HK$4,268 HKD
View
B+
Retailer 12
-
HK$4,299 HKD
View
B+
Retailer 13
-
HK$6,104 HKD
View
Retailer 14
-
HK$7,296 HKD
View
Price last confirmed 46 days ago
B
Retailer 15
-
HK$7,359 HKD
View
B
Retailer 16
-
HK$7,382 HKD
View
B
Retailer 17
-
HK$7,759 HKD
View
B
Retailer 18
-
HK$8,159 HKD
View
B
Retailer 19
-
HK$8,551 HKD
View
B
Retailer 20
-
HK$9,140 HKD
View
Most Expensive
B
Reve Diamonds
956C4DEDD · Nov 4
HK$10,246 HKD
$1,306 USD
View
20 more retailers have this diamond
Prices start from HK$1,844 HKDSave up to HK$8,403 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$1,844 HKD