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Round|Lab Grown|IGI

1.12ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG677564731

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677564731

Diamond specifications and retailer prices

From $276 NZD
As of November 5, 2026
Save $1,592 NZD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,868 NZD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.12ct lab-grown round diamond

This 1.12ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677564731 or 677564731. Listed at 15 retailers as of November 5, 2026, with prices from $276 to $1,868, a $1,592 spread on the same certified stone. Reve Diamonds lists it at $1,868. 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

1.12
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677564731
Dimensions6.65 × 6.63 × 4.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.65 mm6.63 mm1.12 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677564731
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.1%

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: Nov 5
Current: $587 NZD|Low: $276 NZD|High: $1,868 NZD|Avg: $731 NZD|-4.1%
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
Reve Diamonds
November 6, 2026
Retailer 4$276 NZD
Retailer 2$310 NZD
Retailer 3$320 NZD
Retailer 14$342 NZD
Retailer 6$368 NZD
Retailer 1$587 NZD
Retailer 11$624 NZD
Retailer 7$640 NZD
Retailer 12$640 NZD
Retailer 10$916 NZD
Retailer 13$1,099 NZD
Retailer 9$1,162 NZD
Retailer 5$1,197 NZD
Retailer 8$1,599 NZD
Reve Diamonds$1,868 NZD

42 data points across 15 retailers

15 retailers$276 NZD to $1,868 NZD

A
Cheapest Retailer
-
$276 NZD
A
Retailer 2
-
$310 NZD
View
Final sale: no returns
A
Retailer 3
-
$320 NZD
View
A
Retailer 4
-
$342 NZD
View
Retailer 5
-
$368 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$587 NZD
View
A
Retailer 7
-
$624 NZD
View
A
Retailer 8
-
$640 NZD
View
B+
Retailer 9
-
$640 NZD
View
B
Retailer 10
-
$916 NZD
View
B
Retailer 11
-
$1,099 NZD
View
B
Retailer 12
-
$1,162 NZD
View
B
Retailer 13
-
$1,197 NZD
View
B
Retailer 14
-
$1,599 NZD
View
Most Expensive
B
Reve Diamonds
EA4B74DDF · Nov 6
$1,868 NZD
$1,050 USD
View
14 more retailers have this diamond
Prices start from $276 NZDSave up to $1,592 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
1.12ct Round
$276 NZD