CaratHunter
Plans
Round|Lab Grown|IGI

2.55ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG485164033

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485164033

Diamond specifications and retailer prices

From $1,476 USD
As of November 1, 2026
Save $8,674 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,150 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485164033 or 485164033. Listed at 14 retailers as of October 31, 2026, with prices from $1,476 to $10,150, a $8,674 spread on the same certified stone. Do Amore Diamonds lists it at $10,150. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.55
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485164033
Dimensions8.86 × 8.82 × 5.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.86 mm8.82 mm2.55 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485164033
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

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: Nov 1
Current: $10,150 USD|Low: $1,181 USD|High: $10,150 USD|Avg: $3,013 USD
Do Amore Diamonds
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
November 1, 2026
Retailer 9$1,476 USD
Retailer 6$1,581 USD
Retailer 14$1,606 USD
Retailer 12$1,653 USD
Retailer 10$1,712 USD
Retailer 7$1,835 USD
Retailer 8$1,885 USD
Retailer 13$1,905 USD
Retailer 11$2,699 USD
Retailer 5$3,107 USD
Retailer 4$3,207 USD
Retailer 3$3,542 USD
Retailer 2$5,396 USD
Do Amore Diamonds$10,150 USD

22 data points across 14 retailers

14 retailers$1,476 USD to $10,150 USD

A
Cheapest Retailer
-
$1,476 USD
A
Retailer 2
-
$1,606 USD
View
A
Retailer 3
-
$1,653 USD
View
Final sale: no returns
Retailer 4
-
$1,712 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,712 USD
View
A
Retailer 6
-
$1,835 USD
View
A
Retailer 7
-
$1,885 USD
View
A
Retailer 8
-
$1,905 USD
View
B+
Retailer 9
-
$2,699 USD
View
B+
Retailer 10
-
$3,107 USD
View
B+
Retailer 11
-
$3,207 USD
CA$4,455 CAD
View
B+
Retailer 12
-
$3,542 USD
View
B
Retailer 13
-
$5,396 USD
£4,249 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5C5909404 · Oct 31
$10,150 USD
View
13 more retailers have this diamond
Prices start from $1,476 USDSave up to $8,674 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
2.55ct Round
$1,476 USD