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Round|Lab Grown|IGI

31.53ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG755516133

Shape and cutting style on the report: Round brilliant

Certificate IGI LG755516133

Diamond specifications and retailer prices

From $34,875 USD
As of November 1, 2026
Save $35,917 USD (51%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $70,792 USD at Yorxs · As of October 31, 2026
View at Yorxs

About this 31.53ct lab-grown round diamond

This 31.53ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG755516133 or 755516133. Listed at 8 retailers as of October 31, 2026, with prices from $34,875 to $70,792, a $35,917 spread on the same certified stone. Yorxs lists it at $70,792. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

31.53
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755516133
Dimensions20.40 × 20.33 × 12.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
20.40 mm20.33 mm31.53 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755516133
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $69,270 USD|Low: $34,875 USD|High: $286,923 USD|Avg: $86,626 USD|-8.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
October 31, 2026
Retailer 5$34,875 USD
Retailer 6$37,065 USD
Retailer 2$40,050 USD
Retailer 4$41,733 USD
Retailer 3$67,450 USD
Retailer 1$69,270 USD
Yorxs$70,792 USD
Retailer 7$286,923 USD

20 data points across 8 retailers

8 retailers$34,875 USD to $70,792 USD

B
Cheapest Retailer
-
$34,875 USD
B
Retailer 2
-
$36,265 USD
View
Retailer 3
-
$37,065 USD
View
Price last confirmed 112 days ago
B
Retailer 4
-
$40,050 USD
View
Retailer 5
-
$41,733 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$67,450 USD
View
B
Retailer 7
-
$69,270 USD
View
Most Expensive
B
Yorxs
556177571 · Oct 31
$70,792 USD
€67,421 EUR
View
7 more retailers have this diamond
Prices start from $34,875 USDSave up to $35,917 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.

B
31.53ct Round
$34,875 USD