Radiant|Lab Grown|IGI

1.29ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG816689455

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

Certificate IGI LG816689455

Diamond specifications and retailer prices

From $216 USD
As of October 31, 2026
Save $606 USD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,134 USD at MOH London · As of October 21, 2026
View at MOH London

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 LG816689455 or 816689455. Listed at 16 retailers as of October 31, 2026, with a 280% 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
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816689455
Dimensions8.06 × 5.15 × 3.54 mm
L/W Ratio1.57
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm5.15 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816689455
Side View
Table 68.0%Crown 44.6°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 68.7%

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 31
Current: $1,134 USD|Low: $216 USD|High: $1,396 USD|Avg: $724 USD|-3.0%
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 3$216 USD
Retailer 10$223 USD
Retailer 14$325 USD
Retailer 9$393 USD
Retailer 6$415 USD
Retailer 12$431 USD
Retailer 16$564 USD
Retailer 7$600 USD
Retailer 4$645 USD
Retailer 15$774 USD
Retailer 13$779 USD
Retailer 2$804 USD
Retailer 11$822 USD
Retailer 8$980 USD
Retailer 5$1,075 USD
MOH London$1,134 USD

32 data points across 16 retailers

16 retailers$216 USD to $822 USD

A
Cheapest Retailer
-
$216 USD
Final sale: no returns
A
Retailer 2
-
$223 USD
View
B+
Retailer 3
-
$325 USD
View
A
Retailer 4
-
$393 USD
€374 EUR
View
Retailer 5
-
$415 USD
ZAR 6,700 ZAR
View
Price last confirmed 13 days ago
A
Retailer 6
-
$431 USD
£340 GBP
View
A
Retailer 7
-
$564 USD
View
Retailer 8
-
$600 USD
A$923 AUD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$645 USD
View
B+
Retailer 10
-
$774 USD
View
B+
Retailer 11
-
$779 USD
SGD 1,053 SGD
View
B+
Retailer 12
-
$804 USD
View
B+
Retailer 13
-
$822 USD
View
Retailer 14
-
$980 USD
A$1,507 AUD
View
Price last confirmed 31 days ago
Retailer 15
-
$1,075 USD
View
Price last confirmed 13 days ago
Most Expensive
MOH London
LG816689455 · Oct 21
$1,134 USD
£893 GBP
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $216 USDSave up to $606 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
1.29ct Radiant
$216 USD