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Round|Lab Grown|IGI

2.28ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG704578688

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704578688

Diamond specifications and retailer prices

From $266 USD
As of October 29, 2026
Save $796 USD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,062 USD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 2.28ct lab-grown round diamond

This 2.28ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG704578688 or 704578688. Listed at 13 retailers as of October 29, 2026, with prices from $266 to $1,062, a $796 spread on the same certified stone. NZ Jewellers lists it at $1,062. 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

2.28
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704578688
Dimensions8.50 × 8.55 × 5.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.50 mm8.55 mm2.28 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704578688
Side View
Table 56.0%Crown 33.9°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.6%

Caratlytics Score

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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: $1,062 USD|Low: $266 USD|High: $3,269 USD|Avg: $1,046 USD
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 13$266 USD
Retailer 11$309 USD
Retailer 5$330 USD
Retailer 17$371 USD
Retailer 12$479 USD
Retailer 14$490 USD
Retailer 15$541 USD
Retailer 4$548 USD
Retailer 16$623 USD
Retailer 2$631 USD
Retailer 3$756 USD
Retailer 10$1,015 USD
NZ Jewellers$1,062 USD
Retailer 6$1,594 USD
Retailer 7$1,651 USD
Retailer 9$2,250 USD
Retailer 8$3,269 USD

5 data points across 17 retailers

13 retailers$266 USD to $1,062 USD

A
Cheapest Retailer
-
$266 USD
A
Retailer 2
-
$309 USD
View
A
Retailer 3
-
$330 USD
View
A
Retailer 4
-
$371 USD
HK$2,900 HKD
View
A
Retailer 5
-
$479 USD
£377 GBP
View
A
Retailer 6
-
$490 USD
View
A
Retailer 7
-
$541 USD
€515 EUR
View
B+
Retailer 8
-
$548 USD
View
A
Retailer 9
-
$623 USD
View
A
Retailer 10
-
$631 USD
£497 GBP
View
B+
Retailer 11
-
$756 USD
View
B+
Retailer 12
-
$1,015 USD
View
Most Expensive
B+
NZ Jewellers
19f8da2d-c723-4b04-808c-e4402733f2e1 · Oct 31
$1,062 USD
View
12 more retailers have this diamond
Prices start from $266 USDSave up to $796 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
2.28ct Round
$266 USD