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Round|Lab Grown|IGI

25.34ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG765634557

Shape and cutting style on the report: Round brilliant

Certificate IGI LG765634557

Diamond specifications and retailer prices

From $17,281 USD
£13,607 GBP
As of October 30, 2026
Save $37,420 USD (68%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $54,701 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 25.34ct lab-grown round diamond

This 25.34ct 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 LG765634557 or 765634557. Listed at 18 retailers as of October 30, 2026, with prices from $17,281 to $54,701, a $37,420 spread on the same certified stone. Taylor and Hart lists it at $54,701. 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

25.34
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765634557
Dimensions18.94 × 19.01 × 11.54 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
18.94 mm19.01 mm25.34 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765634557
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $39,115 USD|Low: $17,223 USD|High: $69,516 USD|Avg: $34,243 USD|-43.3%
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
Taylor and Hart
October 31, 2026
Retailer 9$17,281 USD
Retailer 12$19,973 USD
Retailer 3$20,036 USD
Retailer 11$22,826 USD
Retailer 14$22,901 USD
Retailer 2$23,168 USD
Retailer 8$24,808 USD
Retailer 7$31,826 USD
Retailer 5$32,742 USD
Retailer 4$36,431 USD
Retailer 1$39,115 USD
Retailer 6$41,346 USD
Retailer 10$43,449 USD
Retailer 13$43,615 USD
Retailer 15$51,840 USD
Taylor and Hart$54,701 USD

34 data points across 16 retailers

18 retailers$17,281 USD to $54,701 USD

B+
Cheapest Retailer
-
$17,281 USD
£13,607 GBP
B+
Retailer 2
-
$19,973 USD
View
B
Retailer 3
-
$20,036 USD
View
B
Retailer 4
-
$22,826 USD
View
B
Retailer 5
-
$22,901 USD
View
Retailer 6
-
$23,168 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$23,168 USD
View
B
Retailer 8
-
$24,808 USD
£19,533 GBP
View
Retailer 9
-
$31,826 USD
View
Price last confirmed 73 days ago
Retailer 10
-
$32,742 USD
View
Price last confirmed 41 days ago
Retailer 11
-
$36,141 USD
View
Price last confirmed 38 days ago
Retailer 12
-
$36,431 USD
View
Price last confirmed 38 days ago
B
Retailer 13
-
$39,115 USD
€37,252 EUR
View
Retailer 14
-
$41,346 USD
View
Price last confirmed 40 days ago
Retailer 15
-
$43,449 USD
A$66,845 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$43,615 USD
View
B
Retailer 17
-
$51,840 USD
View
Most Expensive
B
Taylor and Hart
U98JGHT · Oct 30
$54,701 USD
View
17 more retailers have this diamond
Prices start from $17,281 USDSave up to $37,420 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+
25.34ct Round
$17,281 USD