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Round|Lab Grown|IGI

2.50ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG639437396

Shape and cutting style on the report: Round brilliant

Certificate IGI LG639437396

Diamond specifications and retailer prices

From $1,047 USD
As of October 29, 2026
Save $3,192 USD (75%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,495 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG639437396 or 639437396. Listed at 25 retailers as of October 29, 2026, with a 305% 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

2.50
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639437396
Dimensions8.56 × 8.52 × 5.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
8.56 mm8.52 mm2.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639437396
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.6%

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 29
Current: $5,495 USD|Low: $1,047 USD|High: $5,550 USD|Avg: $2,668 USD|-1.0%
Rare Carat
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
October 31, 2026
Retailer 13$1,047 USD
Retailer 5$1,172 USD
Retailer 10$1,390 USD
Retailer 4$1,454 USD
Retailer 8$1,752 USD
Retailer 11$1,770 USD
Retailer 7$1,972 USD
Retailer 2$2,883 USD
Retailer 9$3,133 USD
Retailer 6$3,353 USD
Retailer 14$3,659 USD
Retailer 3$4,071 USD
Retailer 12$4,124 USD
Rare Carat$5,495 USD

44 data points across 14 retailers

25 retailers$1,047 USD to $4,239 USD

A
Cheapest Retailer
-
$1,047 USD
A
Retailer 2
-
$1,139 USD
View
A
Retailer 3
-
$1,172 USD
View
Final sale: no returns
Retailer 4
-
$1,198 USD
View
Price last confirmed 60 days ago
Retailer 5
-
$1,214 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,214 USD
View
A
Retailer 7
-
$1,390 USD
View
A
Retailer 8
-
$1,408 USD
HK$11,000 HKD
View
A
Retailer 9
-
$1,454 USD
View
A
Retailer 10
-
$1,752 USD
£1,379 GBP
View
A
Retailer 11
-
$1,770 USD
View
A
Retailer 12
-
$1,940 USD
View
A
Retailer 13
-
$1,972 USD
€1,878 EUR
View
B+
Retailer 14
-
$2,276 USD
View
B+
Retailer 15
-
$2,538 USD
View
B+
Retailer 16
-
$2,883 USD
A$4,435 AUD
View
B+
Retailer 17
-
$3,133 USD
ZAR 50,612 ZAR
View
B+
Retailer 18
-
$3,353 USD
£2,640 GBP
View
B
Retailer 19
-
$3,659 USD
View
B
Retailer 20
-
$3,765 USD
View
B
Retailer 21
-
$3,896 USD
View
B
Retailer 22
-
$4,071 USD
SGD 5,502 SGD
View
B+
Retailer 23
-
$4,124 USD
£3,247 GBP
View
B
Retailer 24
-
$4,239 USD
View
Most Expensive
Rare Carat
188BL78-2A · Oct 21
$5,495 USD
View
Price last confirmed 10 days ago
24 more retailers have this diamond
Prices start from $1,047 USDSave up to $3,192 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
2.50ct Round
$1,047 USD