Heart|Lab Grown|IGI

1.70ct H VS2 Heart Lab Grown Diamond

ID • H/VS2 • IGI LG512205081

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG512205081

Diamond specifications and retailer prices

From $1,643 AUD
As of November 4, 2026
Save $3,513 AUD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,745 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 1.7ct lab-grown heart diamond

This 1.7ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512205081 or 512205081. Listed at 13 retailers as of November 4, 2026, with a 214% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205081
Dimensions8.43 × 7.67 × 4.67 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.43 mm7.67 mm1.70 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205081
Side View
Table 58.5%Crown 38.3°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 55.4%

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: Nov 4
Current: $5,745 AUD|Low: $1,643 AUD|High: $8,871 AUD|Avg: $4,721 AUD
NZ Jewellers
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
November 5, 2026
Retailer 9$1,643 AUD
Retailer 11$2,643 AUD
Retailer 14$2,874 AUD
Retailer 3$2,958 AUD
Retailer 12$3,066 AUD
Retailer 15$3,066 AUD
Retailer 4$3,307 AUD
Retailer 2$3,987 AUD
Retailer 6$4,063 AUD
Retailer 13$4,805 AUD
Retailer 10$5,155 AUD
NZ Jewellers$5,745 AUD
Retailer 5$8,335 AUD
Retailer 8$8,730 AUD
Retailer 7$8,774 AUD

40 data points across 15 retailers

13 retailers$1,643 AUD to $5,155 AUD

B+
Cheapest Retailer
-
$1,643 AUD
B
Retailer 2
-
$2,643 AUD
View
B
Retailer 3
-
$2,874 AUD
View
B
Retailer 4
-
$2,958 AUD
View
Final sale: no returns
B
Retailer 5
-
$3,066 AUD
View
Retailer 6
-
$3,066 AUD
View
Price last confirmed 24 days ago
B
Retailer 7
-
$3,307 AUD
View
B
Retailer 8
-
$3,987 AUD
View
B
Retailer 9
-
$4,805 AUD
View
B
Retailer 10
-
$5,155 AUD
View
Most Expensive
NZ Jewellers
9a5a5344-f596-4db8-b887-eaed31a8051d · Nov 4
$5,745 AUD
$4,022 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,643 AUDSave up to $3,513 AUD

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+
1.70ct Heart
$1,643 AUD