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Round|Lab Grown|IGI

2.12ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG520285357

Shape and cutting style on the report: Round brilliant

Certificate IGI LG520285357

Diamond specifications and retailer prices

From $575 NZD
$324 USD
As of October 28, 2026
Save $3,719 NZD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,294 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.12ct lab-grown round diamond

This 2.12ct 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 LG520285357 or 520285357. Listed at 26 retailers as of October 28, 2026, with prices from $575 to $4,294, a $3,719 spread on the same certified stone. Do Amore Diamonds lists it at $4,294. 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

2.12
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520285357
Dimensions8.18 × 8.13 × 5.10 mm
L/W Ratio1.01
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
8.18 mm8.13 mm2.12 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520285357
Side View
Table 56.5%Crown 35.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.4%

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 28
Current: $1,170 NZD|Low: $385 NZD|High: $2,697 NZD|Avg: $1,505 NZD|+5.2%
Retailer 1
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 3$575 NZD
Retailer 6$924 NZD
Retailer 11$932 NZD
Retailer 12$937 NZD
Retailer 8$1,086 NZD
Retailer 2$1,107 NZD
Retailer 1$1,170 NZD
Retailer 9$1,243 NZD
Retailer 4$1,490 NZD
Retailer 10$1,840 NZD
Retailer 5$2,076 NZD
Retailer 14$2,589 NZD
Retailer 13$2,626 NZD
Retailer 7$2,663 NZD

42 data points across 14 retailers

26 retailers$575 NZD to $4,294 NZD

Retailer 1
-
$483 NZD
$272 USD
Price last confirmed 33 days ago
Retailer 2
-
$483 NZD
$272 USD
View
Price last confirmed 21 days ago
Retailer 3
-
$561 NZD
$316 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$561 NZD
$316 USD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$575 NZD
$324 USD
View
Final sale: no returns
Retailer 6
-
$591 NZD
$333 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$600 NZD
$338 USD
View
Price last confirmed 21 days ago
Retailer 8
-
$600 NZD
$338 USD
View
Price last confirmed 29 days ago
A
Retailer 9
-
$600 NZD
$338 USD
View
A
Retailer 10
-
$886 NZD
HK$3,900 HKD
View
A
Retailer 11
-
$924 NZD
$521 USD
View
A
Retailer 12
-
$932 NZD
$525 USD
View
B+
Retailer 13
-
$937 NZD
$528 USD
View
A
Retailer 14
-
$1,086 NZD
€583 EUR
View
A
Retailer 15
-
$1,107 NZD
$624 USD
View
A
Retailer 16
-
$1,170 NZD
£519 GBP
View
A
Retailer 17
-
$1,243 NZD
A$1,078 AUD
View
B+
Retailer 18
-
$1,490 NZD
$840 USD
View
B+
Retailer 19
-
$1,840 NZD
$1,037 USD
View
Retailer 20
-
$2,126 NZD
$1,198 USD
View
Price last confirmed 31 days ago
Retailer 21
-
$2,126 NZD
$1,198 USD
View
Price last confirmed 22 days ago
B
Retailer 22
-
$2,417 NZD
$1,362 USD
View
B
Retailer 23
-
$2,589 NZD
SGD 1,972 SGD
View
B
Retailer 24
-
$2,626 NZD
$1,480 USD
View
B
Retailer 25
-
$2,663 NZD
£1,182 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C196BA083 · Oct 31
$4,294 NZD
$2,420 USD
View
25 more retailers have this diamond
Prices start from $575 NZDSave up to $3,719 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
2.12ct Round
$575 NZD