CaratHunter
Plans
Round|Lab Grown|IGI

2.50ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG476162673

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476162673

Diamond specifications and retailer prices

From $1,927 NZD
$1,084 USD
As of November 2, 2026
Save $17,037 NZD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,964 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476162673 or 476162673. Listed at 15 retailers as of November 2, 2026, with prices from $1,927 to $18,964, a $17,037 spread on the same certified stone. Do Amore Diamonds lists it at $18,964. 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

2.50
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476162673
Dimensions8.77 × 8.72 × 5.33 mm
L/W Ratio1.01
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
8.77 mm8.72 mm2.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476162673
Side View
Table 56.5%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

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 2
Current: $18,964 NZD|Low: $1,708 NZD|High: $18,964 NZD|Avg: $4,835 NZD
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 3, 2026
Retailer 4$1,927 NZD
Retailer 7$2,106 NZD
Retailer 9$2,135 NZD
Retailer 14$2,323 NZD
Retailer 12$2,390 NZD
Retailer 10$2,476 NZD
Retailer 8$2,781 NZD
Retailer 13$2,879 NZD
Retailer 11$3,930 NZD
Retailer 6$4,745 NZD
Retailer 3$5,124 NZD
Retailer 5$6,933 NZD
Retailer 2$8,783 NZD
Do Amore Diamonds$18,964 NZD

18 data points across 14 retailers

15 retailers$1,927 NZD to $18,964 NZD

A
Cheapest Retailer
-
$1,927 NZD
$1,084 USD
A
Retailer 2
-
$2,106 NZD
$1,185 USD
View
A
Retailer 3
-
$2,135 NZD
$1,201 USD
View
A
Retailer 4
-
$2,323 NZD
$1,307 USD
View
A
Retailer 5
-
$2,390 NZD
$1,345 USD
View
Final sale: no returns
A
Retailer 6
-
$2,476 NZD
$1,393 USD
View
Retailer 7
-
$2,476 NZD
$1,393 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
$2,781 NZD
$1,565 USD
View
A
Retailer 9
-
$2,879 NZD
$1,620 USD
View
B+
Retailer 10
-
$3,930 NZD
$2,211 USD
View
B+
Retailer 11
-
$4,745 NZD
$2,670 USD
View
B+
Retailer 12
-
$5,124 NZD
$2,883 USD
View
B
Retailer 13
-
$6,933 NZD
CA$5,418 CAD
View
B
Retailer 14
-
$8,783 NZD
£3,891 GBP
View
Most Expensive
B
Do Amore Diamonds
27-079079A23 · Nov 2
$18,964 NZD
$10,670 USD
View
14 more retailers have this diamond
Prices start from $1,927 NZDSave up to $17,037 NZD

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
$1,927 NZD