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Heart|Lab Grown|IGI

1.71ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG519242290

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG519242290

Diamond specifications and retailer prices

From $321 USD
As of October 30, 2026
Save $1,286 USD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,607 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct lab-grown heart diamond

This 1.71ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG519242290 or 519242290. Listed at 23 retailers as of October 29, 2026, with prices from $321 to $1,607, a $1,286 spread on the same certified stone. MOH London lists it at $1,607. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519242290
Dimensions7.11 × 8.37 × 5.03 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
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
7.11 mm8.37 mm1.71 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519242290
Side View
Table 58.0%Crown 36.2°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,607 USD|Low: $309 USD|High: $1,617 USD|Avg: $765 USD|-0.5%
MOH London
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
October 30, 2026
Retailer 11$321 USD
Retailer 6$360 USD
Retailer 3$399 USD
Retailer 14$399 USD
Retailer 2$540 USD
Retailer 10$540 USD
Retailer 5$664 USD
Retailer 9$685 USD
Retailer 7$710 USD
Retailer 8$929 USD
Retailer 13$1,169 USD
Retailer 12$1,281 USD
Retailer 4$1,409 USD
MOH London$1,607 USD

43 data points across 14 retailers

23 retailers$321 USD to $1,607 USD

Retailer 1
-
$321 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$321 USD
View
A
Retailer 3
-
$360 USD
View
Final sale: no returns
Retailer 4
-
$373 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$393 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$399 USD
View
A
Retailer 7
-
$399 USD
View
A
Retailer 8
-
$435 USD
HK$3,400 HKD
View
A
Retailer 9
-
$540 USD
View
A
Retailer 10
-
$540 USD
View
B+
Retailer 11
-
$664 USD
View
B+
Retailer 12
-
$674 USD
View
B+
Retailer 13
-
$685 USD
ZAR 11,065 ZAR
View
B+
Retailer 14
-
$710 USD
£559 GBP
View
B+
Retailer 15
-
$929 USD
A$1,429 AUD
View
B
Retailer 16
-
$1,169 USD
View
B
Retailer 17
-
$1,274 USD
SGD 1,721 SGD
View
B
Retailer 18
-
$1,281 USD
View
B
Retailer 19
-
$1,326 USD
View
B
Retailer 20
-
$1,409 USD
View
B
Retailer 21
-
$1,533 USD
View
B
Retailer 22
-
$1,581 USD
View
Most Expensive
B
MOH London
LG519242290 · Oct 29
$1,607 USD
£1,265 GBP
View
22 more retailers have this diamond
Prices start from $321 USDSave up to $1,286 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
1.71ct Heart
$321 USD