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Heart|Lab Grown|IGI

1.87ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG799644200

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799644200

Diamond specifications and retailer prices

From $3,428 NZD
$1,932 USD
As of October 31, 2026
Save $4,379 NZD (56%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $7,807 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.87ct lab-grown heart diamond

This 1.87ct 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 LG799644200 or 799644200. Listed at 2 retailers as of October 31, 2026, with prices from $3,428 to $7,807, a $4,379 spread on the same certified stone. Brilliant Earth lists it at $7,807. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799644200
Dimensions8.63 × 7.55 × 4.81 mm
L/W Ratio1.14
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
8.63 mm7.55 mm1.87 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799644200
Side View
Table 56.0%Crown 34.8°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 55.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,807 NZD|Low: $2,296 NZD|High: $12,441 NZD|Avg: $6,120 NZD|-28.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$2,296 NZD
Retailer 4$2,443 NZD
Retailer 2$3,428 NZD
Retailer 7$3,540 NZD
Retailer 10$4,982 NZD
Retailer 11$5,399 NZD
Retailer 5$5,485 NZD
Retailer 6$6,397 NZD
Brilliant Earth$7,807 NZD
Retailer 9$10,330 NZD
Retailer 3$12,441 NZD

8 data points across 11 retailers

2 retailers$3,428 NZD to $7,807 NZD

B+
Cheapest Retailer
-
$3,428 NZD
$1,932 USD
Most Expensive
B
Brilliant Earth
21411947Y · Oct 31
$7,807 NZD
$4,400 USD
View
1 more retailer has this diamond
Prices start from $3,428 NZDSave up to $4,379 NZD

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.

B+
1.87ct Heart
$3,428 NZD