Round|Lab Grown|IGI

1.29ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG817650137

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817650137

Diamond specifications and retailer prices

From $230 USD
As of November 3, 2026
Save $1,060 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,235 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round 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 LG817650137 or 817650137. Listed at 23 retailers as of November 3, 2026, with a 461% 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 angle33.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817650137
Dimensions7.04 × 6.96 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.04 mm6.96 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817650137
Side View
Table 58.0%Crown 33.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.5%

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: Nov 3
Current: $921 USD|Low: $230 USD|High: $1,290 USD|Avg: $631 USD|+21.2%
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
November 4, 2026
Retailer 3$230 USD
Retailer 17$258 USD
Retailer 13$267 USD
Retailer 14$286 USD
Retailer 4$385 USD
Retailer 11$452 USD
Retailer 15$459 USD
Retailer 16$492 USD
Retailer 10$527 USD
Retailer 6$564 USD
Retailer 7$703 USD
Retailer 12$918 USD
Retailer 1$921 USD
Retailer 2$970 USD
Retailer 9$1,008 USD
Retailer 8$1,156 USD
Retailer 5$1,290 USD

33 data points across 17 retailers

23 retailers$230 USD to $1,290 USD

A
Cheapest Retailer
-
$230 USD
A
Retailer 2
-
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$267 USD
View
A
Retailer 4
-
$286 USD
View
Retailer 5
-
$288 USD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
$385 USD
View
A
Retailer 7
-
$452 USD
View
A
Retailer 8
-
$459 USD
View
A
Retailer 9
-
$492 USD
View
A
Retailer 10
-
$527 USD
View
B+
Retailer 11
-
$537 USD
View
B+
Retailer 12
-
$564 USD
View
B+
Retailer 13
-
$606 USD
View
Retailer 14
-
$703 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$760 USD
View
B
Retailer 16
-
$918 USD
View
B
Retailer 17
-
$921 USD
View
B
Retailer 18
-
$970 USD
View
Retailer 19
-
$1,008 USD
View
Price last confirmed 10 days ago
Retailer 20
-
$1,090 USD
View
Price last confirmed 41 days ago
Retailer 21
-
$1,156 USD
View
Price last confirmed 10 days ago
B
Retailer 22
-
$1,290 USD
View
Most Expensive
Queensmith
LG817650137 · Oct 27
$2,235 USD
£1,760 GBP
View
Price last confirmed 7 days ago
22 more retailers have this diamond
Prices start from $230 USDSave up to $1,060 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 Round
$230 USD