Heart|Lab Grown|IGI

1.60ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840634926

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634926

Diamond specifications and retailer prices

From $870 USD
As of October 30, 2026
Save $3,566 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,436 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.6ct lab-grown heart diamond

This 1.6ct 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 LG840634926 or 840634926. Listed at 15 retailers as of October 30, 2026, with prices from $870 to $4,436, a $3,566 spread on the same certified stone. With Clarity lists it at $4,436. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634926
Dimensions8.11 × 7.33 × 4.53 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.11 mm7.33 mm1.60 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634926
Side View
Table 61.0%Crown 34.3°Girdle: MED-THKPavilion 38°Culet: NoneDepth 55.9%

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: $3,840 USD|Low: $870 USD|High: $5,120 USD|Avg: $2,253 USD|-25.0%
Retailer 1
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
With Clarity
October 30, 2026
Retailer 3$870 USD
Retailer 7$901 USD
Retailer 12$970 USD
Retailer 14$1,250 USD
Retailer 8$1,273 USD
Retailer 11$1,293 USD
Retailer 10$1,461 USD
Retailer 9$1,487 USD
Retailer 5$2,030 USD
Retailer 4$2,619 USD
Retailer 2$2,741 USD
Retailer 6$3,123 USD
Retailer 13$3,353 USD
Retailer 1$3,840 USD
With Clarity$4,436 USD

15 data points across 15 retailers

15 retailers$870 USD to $4,436 USD

A
Cheapest Retailer
-
$870 USD
Final sale: no returns
A
Retailer 2
-
$901 USD
£710 GBP
View
A
Retailer 3
-
$970 USD
View
B+
Retailer 4
-
$1,250 USD
View
A
Retailer 5
-
$1,273 USD
£1,002 GBP
View
B+
Retailer 6
-
$1,293 USD
View
B+
Retailer 7
-
$1,461 USD
ZAR 23,603 ZAR
View
B+
Retailer 8
-
$1,487 USD
€1,416 EUR
View
B+
Retailer 9
-
$2,030 USD
View
B+
Retailer 10
-
$2,619 USD
View
B+
Retailer 11
-
$2,741 USD
View
B
Retailer 12
-
$3,123 USD
SGD 4,220 SGD
View
B
Retailer 13
-
$3,353 USD
£2,640 GBP
View
B
Retailer 14
-
$3,840 USD
View
Most Expensive
B
With Clarity
840634926 · Oct 30
$4,436 USD
View
14 more retailers have this diamond
Prices start from $870 USDSave up to $3,566 USD

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
1.60ct Heart
$870 USD