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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 $155 USD
As of November 1, 2026
Save $895 USD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,050 USD at Reve Diamonds · As of November 1, 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 1, 2026, with prices from $155 to $1,050, a $895 spread on the same certified stone. Reve Diamonds lists it at $1,050. 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
Color
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

How it works →
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 1
Current: $336 USD|Low: $155 USD|High: $1,050 USD|Avg: $399 USD|-2.6%
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 2, 2026
Retailer 4$155 USD
Retailer 2$174 USD
Retailer 3$180 USD
Retailer 14$192 USD
Retailer 6$207 USD
Retailer 1$336 USD
Retailer 10$351 USD
Retailer 12$360 USD
Retailer 11$430 USD
Retailer 9$515 USD
Retailer 13$618 USD
Retailer 8$653 USD
Retailer 5$673 USD
Retailer 7$899 USD
Reve Diamonds$1,050 USD

41 data points across 15 retailers

15 retailers$155 USD to $1,050 USD

A
Cheapest Retailer
-
$155 USD
A
Retailer 2
-
$174 USD
View
Final sale: no returns
A
Retailer 3
-
$180 USD
View
A
Retailer 4
-
$192 USD
View
Retailer 5
-
$207 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$336 USD
£264 GBP
View
A
Retailer 7
-
$351 USD
View
B+
Retailer 8
-
$360 USD
View
B+
Retailer 9
-
$430 USD
View
B
Retailer 10
-
$515 USD
View
B
Retailer 11
-
$618 USD
View
B
Retailer 12
-
$653 USD
View
B
Retailer 13
-
$673 USD
View
B
Retailer 14
-
$899 USD
£708 GBP
View
Most Expensive
B
Reve Diamonds
EA4B74DDF · Nov 1
$1,050 USD
View
14 more retailers have this diamond
Prices start from $155 USDSave up to $895 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
1.12ct Round
$155 USD