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Round|Lab Grown|IGI

2.50ct G IF Round Lab Grown Diamond

EX • G/IF • IGI LG850681111

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850681111

Diamond specifications and retailer prices

From $704 USD
HK$5,500 HKD
As of October 31, 2026
Save $3,356 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,060 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG850681111 or 850681111. Listed at 13 retailers as of October 31, 2026, with prices from $704 to $4,060, a $3,356 spread on the same certified stone. Brilliant Earth lists it at $4,060. 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
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850681111
Dimensions8.64 × 8.68 × 5.42 mm
L/W Ratio1.00
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
8.64 mm8.68 mm2.50 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850681111
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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: Oct 31
Current: $4,060 USD|Low: $704 USD|High: $4,060 USD|Avg: $1,507 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12$704 USD
Retailer 4$780 USD
Retailer 13$862 USD
Retailer 9$982 USD
Retailer 6$993 USD
Retailer 2$1,038 USD
Retailer 8$1,427 USD
Retailer 11$1,552 USD
Retailer 7$1,659 USD
Retailer 3$2,036 USD
Retailer 5$2,267 USD
Retailer 10$2,699 USD
Brilliant Earth$4,060 USD

5 data points across 13 retailers

13 retailers$704 USD to $4,060 USD

A
Cheapest Retailer
-
$704 USD
HK$5,500 HKD
A
Retailer 2
-
$780 USD
View
A
Retailer 3
-
$862 USD
View
A
Retailer 4
-
$982 USD
€935 EUR
View
A
Retailer 5
-
$993 USD
£782 GBP
View
A
Retailer 6
-
$1,038 USD
£817 GBP
View
A
Retailer 7
-
$1,427 USD
A$2,196 AUD
View
B+
Retailer 8
-
$1,552 USD
ZAR 25,069 ZAR
View
B+
Retailer 9
-
$1,659 USD
View
B+
Retailer 10
-
$2,036 USD
SGD 2,751 SGD
View
B+
Retailer 11
-
$2,267 USD
View
B
Retailer 12
-
$2,699 USD
£2,125 GBP
View
Most Expensive
B
Brilliant Earth
22315649A · Oct 31
$4,060 USD
View
12 more retailers have this diamond
Prices start from $704 USDSave up to $3,356 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
$704 USD