CaratHunter
Plans
Heart|Lab Grown|IGI

1.91ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632387

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632387

Diamond specifications and retailer prices

From HK$6,418 HKD
$818 USD
As of October 30, 2026
Save HK$29,202 HKD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$35,619 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.91ct lab-grown heart diamond

This 1.91ct lab-grown heart 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 LG840632387 or 840632387. Listed at 20 retailers as of October 30, 2026, with prices from HK$6,418 to HK$35,619, a HK$29,202 spread on the same certified stone. Brilliant Earth lists it at HK$35,619. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632387
Dimensions7.46 × 8.58 × 5.11 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
7.46 mm8.58 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632387
Side View
Table 58.0%Crown 37.2°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 59.6%

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$35,619 HKD|Low: HK$6,418 HKD|High: HK$48,094 HKD|Avg: HK$17,346 HKD|-25.9%
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$6,418 HKD
Retailer 4HK$6,983 HKD
Retailer 18HK$7,446 HKD
Retailer 9HK$7,736 HKD
Retailer 11HK$8,277 HKD
Retailer 13HK$8,414 HKD
Retailer 19HK$8,826 HKD
Retailer 6HK$9,399 HKD
Retailer 14HK$11,429 HKD
Retailer 8HK$11,988 HKD
Retailer 3HK$13,495 HKD
Retailer 17HK$13,683 HKD
Retailer 15HK$15,574 HKD
Retailer 20HK$20,932 HKD
Retailer 16HK$24,486 HKD
Retailer 5HK$25,769 HKD
Retailer 2HK$27,899 HKD
Retailer 12HK$29,476 HKD
Retailer 10HK$31,650 HKD
Brilliant EarthHK$35,619 HKD

23 data points across 20 retailers

20 retailersHK$6,418 HKD to HK$35,619 HKD

A
Cheapest Retailer
-
HK$6,418 HKD
$818 USD
A
Retailer 2
-
HK$6,983 HKD
$890 USD
View
A
Retailer 3
-
HK$7,446 HKD
$949 USD
View
Retailer 4
-
HK$7,736 HKD
$986 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$8,277 HKD
$1,055 USD
View
Final sale: no returns
A
Retailer 6
-
HK$8,414 HKD
£844 GBP
View
A
Retailer 7
-
HK$8,826 HKD
$1,125 USD
View
A
Retailer 8
-
HK$9,399 HKD
$1,198 USD
View
A
Retailer 9
-
HK$11,429 HKD
£1,147 GBP
View
B+
Retailer 10
-
HK$11,988 HKD
$1,528 USD
View
B+
Retailer 11
-
HK$13,495 HKD
$1,720 USD
View
B+
Retailer 12
-
HK$13,683 HKD
ZAR 28,174 ZAR
View
B+
Retailer 13
-
HK$15,574 HKD
$1,985 USD
View
B+
Retailer 14
-
HK$20,932 HKD
$2,668 USD
View
B
Retailer 15
-
HK$24,486 HKD
$3,121 USD
View
B
Retailer 16
-
HK$25,769 HKD
$3,284 USD
View
B
Retailer 17
-
HK$27,899 HKD
£2,800 GBP
View
B
Retailer 18
-
HK$29,476 HKD
SGD 5,077 SGD
View
B
Retailer 19
-
HK$31,650 HKD
$4,034 USD
View
Most Expensive
B
Brilliant Earth
21738367A · Oct 31
HK$35,619 HKD
$4,540 USD
View
19 more retailers have this diamond
Prices start from HK$6,418 HKDSave up to HK$29,202 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
1.91ct Heart
HK$6,418 HKD