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Heart|Lab Grown|IGI

2.31ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632380

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632380

Diamond specifications and retailer prices

From HK$9,250 HKD
$1,179 USD
As of October 30, 2026
Save HK$43,316 HKD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$52,566 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.31ct lab-grown heart diamond

This 2.31ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632380 or 840632380. Listed at 20 retailers as of October 30, 2026, with prices from HK$9,250 to HK$52,566, a HK$43,316 spread on the same certified stone. Brilliant Earth lists it at HK$52,566. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632380
Dimensions7.91 × 9.09 × 5.44 mm
L/W Ratio1.15
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
7.91 mm9.09 mm2.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632380
Side View
Table 58.0%Crown 37.2°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 59.8%

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: Oct 30
Current: HK$52,566 HKD|Low: HK$9,250 HKD|High: HK$63,393 HKD|Avg: HK$24,400 HKD|-17.1%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 7HK$9,250 HKD
Retailer 3HK$10,058 HKD
Retailer 11HK$10,631 HKD
Retailer 18HK$10,725 HKD
Retailer 2HK$11,805 HKD
Retailer 17HK$12,082 HKD
Retailer 12HK$12,333 HKD
Retailer 6HK$12,459 HKD
Retailer 13HK$15,432 HKD
Retailer 9HK$17,033 HKD
Retailer 20HK$18,524 HKD
Retailer 14HK$19,277 HKD
Retailer 19HK$20,101 HKD
Retailer 15HK$27,673 HKD
Retailer 8HK$30,779 HKD
Retailer 16HK$34,645 HKD
Retailer 10HK$37,506 HKD
Retailer 4HK$37,568 HKD
Retailer 5HK$40,633 HKD
Brilliant EarthHK$52,566 HKD

24 data points across 20 retailers

20 retailersHK$9,250 HKD to HK$52,566 HKD

A
Cheapest Retailer
-
HK$9,250 HKD
$1,179 USD
A
Retailer 2
-
HK$10,058 HKD
$1,282 USD
View
A
Retailer 3
-
HK$10,631 HKD
$1,355 USD
View
Final sale: no returns
A
Retailer 4
-
HK$10,725 HKD
$1,367 USD
View
A
Retailer 5
-
HK$11,805 HKD
£1,185 GBP
View
A
Retailer 6
-
HK$12,082 HKD
$1,540 USD
View
Retailer 7
-
HK$12,333 HKD
$1,572 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
HK$12,459 HKD
$1,588 USD
View
A
Retailer 9
-
HK$15,432 HKD
£1,549 GBP
View
B+
Retailer 10
-
HK$17,033 HKD
$2,171 USD
View
B+
Retailer 11
-
HK$18,524 HKD
$2,361 USD
View
B+
Retailer 12
-
HK$19,277 HKD
$2,457 USD
View
B+
Retailer 13
-
HK$20,101 HKD
$2,562 USD
View
B+
Retailer 14
-
HK$27,673 HKD
ZAR 56,982 ZAR
View
B+
Retailer 15
-
HK$30,779 HKD
$3,923 USD
View
B+
Retailer 16
-
HK$34,645 HKD
£3,477 GBP
View
B
Retailer 17
-
HK$37,506 HKD
SGD 6,460 SGD
View
B
Retailer 18
-
HK$37,568 HKD
$4,788 USD
View
B
Retailer 19
-
HK$40,633 HKD
$5,179 USD
View
Most Expensive
B
Brilliant Earth
21738461A · Oct 31
HK$52,566 HKD
$6,700 USD
View
19 more retailers have this diamond
Prices start from HK$9,250 HKDSave up to HK$43,316 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
2.31ct Heart
HK$9,250 HKD