CaratHunter
Plans
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 $570 NZD
$321 USD
As of October 30, 2026
Save $2,281 NZD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,851 NZD 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 $570 to $2,851, a $2,281 spread on the same certified stone. MOH London lists it at $2,851. 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
Colour
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

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: $2,851 NZD|Low: $548 NZD|High: $2,869 NZD|Avg: $1,364 NZD|-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
November 1, 2026
Retailer 11$570 NZD
Retailer 6$639 NZD
Retailer 3$708 NZD
Retailer 14$708 NZD
Retailer 8$958 NZD
Retailer 7$985 NZD
Retailer 5$1,178 NZD
Retailer 10$1,215 NZD
Retailer 2$1,263 NZD
Retailer 9$1,648 NZD
Retailer 13$2,074 NZD
Retailer 12$2,273 NZD
Retailer 4$2,500 NZD
MOH London$2,851 NZD

44 data points across 14 retailers

23 retailers$570 NZD to $2,851 NZD

Retailer 1
-
$570 NZD
$321 USD
Price last confirmed 32 days ago
A
Retailer 2
-
$570 NZD
$321 USD
View
A
Retailer 3
-
$639 NZD
$360 USD
View
Final sale: no returns
Retailer 4
-
$662 NZD
$373 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$697 NZD
$393 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
$708 NZD
$399 USD
View
Retailer 7
-
$708 NZD
$399 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$772 NZD
HK$3,400 HKD
View
A
Retailer 9
-
$958 NZD
$540 USD
View
A
Retailer 10
-
$985 NZD
$555 USD
View
B+
Retailer 11
-
$1,178 NZD
$664 USD
View
B+
Retailer 12
-
$1,196 NZD
$674 USD
View
B+
Retailer 13
-
$1,215 NZD
ZAR 11,065 ZAR
View
B+
Retailer 14
-
$1,263 NZD
£560 GBP
View
B+
Retailer 15
-
$1,648 NZD
A$1,429 AUD
View
B
Retailer 16
-
$2,074 NZD
$1,169 USD
View
B
Retailer 17
-
$2,260 NZD
SGD 1,721 SGD
View
B
Retailer 18
-
$2,273 NZD
$1,281 USD
View
B
Retailer 19
-
$2,354 NZD
$1,326 USD
View
B
Retailer 20
-
$2,500 NZD
$1,409 USD
View
B
Retailer 21
-
$2,720 NZD
$1,533 USD
View
B
Retailer 22
-
$2,805 NZD
$1,581 USD
View
Most Expensive
B
MOH London
LG519242290 · Oct 29
$2,851 NZD
£1,265 GBP
View
22 more retailers have this diamond
Prices start from $570 NZDSave up to $2,281 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.

A
1.71ct Heart
$570 NZD