Radiant|Lab Grown|IGI

2.57ct H VVS1 Radiant Lab Grown Diamond

ID • H/VVS1 • IGI LG550245327

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

Certificate IGI LG550245327

Diamond specifications and retailer prices

From $682 USD
As of October 31, 2026
Save $1,820 USD (73%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,301 USD at MOH London · As of October 21, 2026
View at MOH London

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG550245327 or 550245327. Listed at 20 retailers as of October 31, 2026, with a 267% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.57
Carat
H
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550245327
Dimensions9.28 × 6.59 × 4.62 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.28 mm6.59 mm2.57 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550245327
Side View
Table 65.0%Crown 41.1°Girdle: Slightly ThickPavilion 32.3°Culet: NoneDepth 70.1%

Caratlytics Score

How it works →
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: $3,301 USD|Low: $486 USD|High: $4,140 USD|Avg: $1,660 USD|+0.5%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
October 31, 2026
Retailer 17$610 USD
Retailer 7$682 USD
Retailer 5$683 USD
Retailer 18$756 USD
Retailer 15$885 USD
Retailer 14$921 USD
Retailer 6$1,082 USD
Retailer 2$1,149 USD
Retailer 4$1,159 USD
Retailer 16$1,645 USD
Retailer 11$1,680 USD
Retailer 13$1,825 USD
Retailer 3$1,989 USD
Retailer 8$2,195 USD
Retailer 12$2,290 USD
Retailer 9$2,371 USD
Retailer 10$2,502 USD
MOH London$3,301 USD

38 data points across 18 retailers

20 retailers$682 USD to $2,502 USD

Retailer 1
-
$610 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$682 USD
View
Final sale: no returns
Retailer 3
-
$683 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$756 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$756 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$885 USD
View
A
Retailer 7
-
$921 USD
View
A
Retailer 8
-
$1,082 USD
View
A
Retailer 9
-
$1,149 USD
€1,094 EUR
View
A
Retailer 10
-
$1,159 USD
View
B+
Retailer 11
-
$1,645 USD
View
B+
Retailer 12
-
$1,680 USD
A$2,584 AUD
View
B+
Retailer 13
-
$1,825 USD
ZAR 29,483 ZAR
View
Retailer 14
-
$1,989 USD
View
Price last confirmed 10 days ago
Retailer 15
-
$2,195 USD
£1,728 GBP
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$2,290 USD
View
Retailer 17
-
$2,371 USD
View
Price last confirmed 42 days ago
B
Retailer 18
-
$2,445 USD
View
B
Retailer 19
-
$2,502 USD
View
Most Expensive
MOH London
LG550245327 · Oct 21
$3,301 USD
£2,599 GBP
View
Price last confirmed 11 days ago
19 more retailers have this diamond
Prices start from $682 USDSave up to $1,820 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
2.57ct Radiant
$682 USD