Radiant|Lab Grown|IGI

1.29ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG837640789

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG837640789

Diamond specifications and retailer prices

From $345 NZD
$194 USD
As of October 30, 2026
Save $1,115 NZD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,199 NZD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837640789 or 837640789. Listed at 22 retailers as of October 30, 2026, with a 323% 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

1.29
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837640789
Dimensions8.29 × 5.19 × 3.35 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.19 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837640789
Side View
Table 65.0%Crown 41.8°Girdle: ThickPavilion 31.7°Culet: NoneDepth 64.5%

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: $773 NZD|Low: $345 NZD|High: $2,449 NZD|Avg: $999 NZD|-0.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 7$345 NZD
Retailer 4$384 NZD
Retailer 2$396 NZD
Retailer 16$425 NZD
Retailer 13$430 NZD
Retailer 15$484 NZD
Retailer 14$572 NZD
Retailer 20$698 NZD
Retailer 12$733 NZD
Retailer 1$773 NZD
Retailer 18$1,001 NZD
Retailer 11$1,061 NZD
Retailer 8$1,146 NZD
Retailer 17$1,365 NZD
Retailer 6$1,376 NZD
Retailer 5$1,385 NZD
Retailer 19$1,429 NZD
Retailer 3$1,460 NZD
Retailer 10$1,911 NZD
Retailer 9$2,016 NZD

23 data points across 20 retailers

22 retailers$345 NZD to $1,460 NZD

A
Cheapest Retailer
-
$345 NZD
$194 USD
A
Retailer 2
-
$384 NZD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$396 NZD
$223 USD
View
A
Retailer 4
-
$425 NZD
$239 USD
View
Retailer 5
-
$430 NZD
$242 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$484 NZD
£215 GBP
View
B+
Retailer 7
-
$572 NZD
$322 USD
View
A
Retailer 8
-
$698 NZD
€374 EUR
View
A
Retailer 9
-
$733 NZD
ZAR 6,661 ZAR
View
A
Retailer 10
-
$773 NZD
£343 GBP
View
A
Retailer 11
-
$1,001 NZD
$563 USD
View
Retailer 12
-
$1,061 NZD
A$918 AUD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
$1,146 NZD
$645 USD
View
B+
Retailer 14
-
$1,365 NZD
$768 USD
View
B+
Retailer 15
-
$1,376 NZD
$774 USD
View
B+
Retailer 16
-
$1,385 NZD
SGD 1,053 SGD
View
B+
Retailer 17
-
$1,429 NZD
$804 USD
View
B+
Retailer 18
-
$1,460 NZD
$822 USD
View
Retailer 19
-
$1,741 NZD
A$1,507 AUD
View
Price last confirmed 29 days ago
Retailer 20
-
$1,911 NZD
$1,075 USD
View
Price last confirmed 15 days ago
Retailer 21
-
$2,016 NZD
£893 GBP
View
Price last confirmed 12 days ago
Most Expensive
Helzberg Diamonds
ZXZOJNMKGNOP · Oct 13
$3,199 NZD
$1,800 USD
View
Price last confirmed 20 days ago
21 more retailers have this diamond
Prices start from $345 NZDSave up to $1,115 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
1.29ct Radiant
$345 NZD