Heart|Lab Grown|IGI

1.03ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG621435339

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG621435339

Diamond specifications and retailer prices

From $428 NZD
$241 USD
As of November 1, 2026
Save $1,682 NZD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,673 NZD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621435339 or 621435339. Listed at 22 retailers as of October 29, 2026, with a 393% 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

1.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621435339
Dimensions6.15 × 7.25 × 4.10 mm
L/W Ratio1.18
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
6.15 mm7.25 mm1.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621435339
Side View
Table 58.0%Crown 32°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 56.6%

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: Nov 1
Current: $3,673 NZD|Low: $360 NZD|High: $4,063 NZD|Avg: $1,232 NZD|+0.5%
Do Amore Diamonds
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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 9$374 NZD
Retailer 5$428 NZD
Retailer 3$499 NZD
Retailer 7$568 NZD
Retailer 18$568 NZD
Retailer 4$637 NZD
Retailer 11$699 NZD
Retailer 17$852 NZD
Retailer 8$874 NZD
Retailer 12$990 NZD
Retailer 15$1,277 NZD
Retailer 14$1,281 NZD
Retailer 16$1,529 NZD
Retailer 6$1,977 NZD
Retailer 2$1,987 NZD
Retailer 13$2,109 NZD
Retailer 10$2,182 NZD
Do Amore Diamonds$3,673 NZD

43 data points across 18 retailers

22 retailers$428 NZD to $2,109 NZD

Retailer 1
-
$374 NZD
$211 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$428 NZD
$241 USD
View
Final sale: no returns
Retailer 3
-
$435 NZD
$245 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$499 NZD
$281 USD
View
Retailer 5
-
$568 NZD
$320 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$568 NZD
$320 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$637 NZD
$359 USD
View
A
Retailer 8
-
$699 NZD
£310 GBP
View
Retailer 9
-
$852 NZD
$480 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$874 NZD
ZAR 7,955 ZAR
View
Price last confirmed 14 days ago
Retailer 11
-
$966 NZD
£429 GBP
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$990 NZD
£440 GBP
View
B
Retailer 13
-
$1,277 NZD
A$1,107 AUD
View
B
Retailer 14
-
$1,281 NZD
A$1,111 AUD
View
B
Retailer 15
-
$1,481 NZD
CA$1,159 CAD
View
B
Retailer 16
-
$1,529 NZD
$862 USD
View
Retailer 17
-
$1,650 NZD
$930 USD
View
Price last confirmed 15 days ago
B
Retailer 18
-
$1,977 NZD
SGD 1,506 SGD
View
B
Retailer 19
-
$1,987 NZD
$1,120 USD
View
B
Retailer 20
-
$2,109 NZD
£936 GBP
View
Retailer 21
-
$2,182 NZD
$1,230 USD
View
Price last confirmed 14 days ago
Most Expensive
Do Amore Diamonds
27-922746128 · Oct 30
$3,673 NZD
$2,070 USD
View
Price under review
21 more retailers have this diamond
Prices start from $428 NZDSave up to $1,682 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
1.03ct Heart
$428 NZD