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Cushion|Lab Grown|IGI

1.99ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840634460

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

Certificate IGI LG840634460

Diamond specifications and retailer prices

From HK$6,237 HKD
$795 USD
As of October 31, 2026
Save HK$28,754 HKD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$36,953 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.99ct lab-grown cushion diamond

This 1.99ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634460 or 840634460. Listed at 18 retailers as of October 31, 2026, with a 461% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.99
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634460
Dimensions7.15 × 7.14 × 4.59 mm
L/W Ratio1.00
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
7.15 mm7.14 mm1.99 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634460
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 64.3%

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: Oct 31
Current: HK$36,953 HKD|Low: HK$6,237 HKD|High: HK$43,308 HKD|Avg: HK$18,034 HKD
Rare Carat
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 1, 2026
Retailer 5HK$6,237 HKD
Retailer 2HK$6,693 HKD
Retailer 18HK$7,297 HKD
Retailer 7HK$7,987 HKD
Retailer 11HK$9,385 HKD
Retailer 17HK$9,658 HKD
Retailer 12HK$10,611 HKD
Retailer 16HK$10,878 HKD
Retailer 13HK$13,738 HKD
Retailer 3HK$14,005 HKD
Retailer 8HK$19,442 HKD
Retailer 4HK$20,429 HKD
Retailer 9HK$22,492 HKD
Retailer 6HK$23,843 HKD
Retailer 15HK$25,079 HKD
Retailer 10HK$32,214 HKD
Retailer 14HK$34,992 HKD
Rare CaratHK$36,953 HKD

14 data points across 18 retailers

18 retailersHK$6,237 HKD to HK$34,992 HKD

A
Cheapest Retailer
-
HK$6,237 HKD
$795 USD
Final sale: no returns
A
Retailer 2
-
HK$6,693 HKD
£672 GBP
View
A
Retailer 3
-
HK$7,297 HKD
$930 USD
View
A
Retailer 4
-
HK$7,987 HKD
$1,018 USD
View
A
Retailer 5
-
HK$9,385 HKD
£942 GBP
View
A
Retailer 6
-
HK$9,658 HKD
$1,231 USD
View
A
Retailer 7
-
HK$10,611 HKD
€1,288 EUR
View
A
Retailer 8
-
HK$10,878 HKD
ZAR 22,399 ZAR
View
A
Retailer 9
-
HK$13,738 HKD
$1,751 USD
View
A
Retailer 10
-
HK$14,005 HKD
$1,785 USD
View
B+
Retailer 11
-
HK$19,442 HKD
$2,478 USD
View
B+
Retailer 12
-
HK$20,429 HKD
$2,604 USD
View
B+
Retailer 13
-
HK$22,492 HKD
SGD 3,874 SGD
View
B+
Retailer 14
-
HK$23,843 HKD
$3,039 USD
View
B+
Retailer 15
-
HK$25,079 HKD
£2,517 GBP
View
B
Retailer 16
-
HK$32,214 HKD
$4,106 USD
View
B
Retailer 17
-
HK$34,992 HKD
$4,460 USD
View
Most Expensive
Rare Carat
JH-254684 · Oct 21
HK$36,953 HKD
$4,710 USD
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from HK$6,237 HKDSave up to HK$28,754 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
1.99ct Cushion
HK$6,237 HKD