Cushion|Lab Grown|IGI

1.07ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG851607745

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG851607745

Diamond specifications and retailer prices

From HK$1,238 HKD
As of November 6, 2026
Save HK$1,154 HKD (48%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$2,392 HKD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.07ct lab-grown cushion diamond

This 1.07ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG851607745 or 851607745. Listed at 2 retailers as of November 6, 2026, with prices from HK$1,238 to HK$2,392, a HK$1,154 spread on the same certified stone. 77 Diamonds lists it at HK$2,392. 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

1.07
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851607745
Dimensions6.04 × 5.97 × 3.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.04 mm5.97 mm1.07 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851607745
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 66.8%

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 6
Current: HK$2,392 HKD|Low: HK$1,238 HKD|High: HK$2,448 HKD|Avg: HK$2,165 HKD|-2.3%
77 Diamonds
Retailer 2
November 7, 2026
Retailer 2HK$1,238 HKD
77 DiamondsHK$2,392 HKD

7 data points across 2 retailers

2 retailersHK$1,238 HKD to HK$2,392 HKD

A
Cheapest Retailer
-
HK$1,238 HKD
Final sale: no returns
Most Expensive
A
77 Diamonds
CUSTVSPZXVQNQ7 · Nov 7
HK$2,392 HKD
£240 GBP
View
1 more retailer has this diamond
Prices start from HK$1,238 HKDSave up to HK$1,154 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
1.07ct Cushion
HK$1,238 HKD