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 €139 EUR
$155 USD
As of October 29, 2026
Save €801 EUR (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €940 EUR at Reve Diamonds · As of October 30, 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 October 29, 2026, with prices from €139 to €940, a €801 spread on the same certified stone. Reve Diamonds lists it at €940. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €584 EUR|Low: €139 EUR|High: €940 EUR|Avg: €351 EUR|-7.1%
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
Retailer 15
Reve Diamonds
October 30, 2026
Retailer 3€139 EUR
Retailer 15€156 EUR
Retailer 2€161 EUR
Retailer 14€172 EUR
Retailer 6€185 EUR
Retailer 8€300 EUR
Retailer 10€314 EUR
Retailer 12€322 EUR
Retailer 7€329 EUR
Retailer 11€385 EUR
Retailer 9€461 EUR
Retailer 13€553 EUR
Retailer 1€584 EUR
Retailer 4€603 EUR
Retailer 5€871 EUR
Reve Diamonds€940 EUR

39 data points across 16 retailers

15 retailers€139 EUR to €940 EUR

A
Cheapest Retailer
-
€139 EUR
$155 USD
A
Retailer 2
-
€156 EUR
$174 USD
View
Final sale: no returns
A
Retailer 3
-
€161 EUR
$180 USD
View
A
Retailer 4
-
€172 EUR
$192 USD
View
A
Retailer 5
-
€185 EUR
$207 USD
View
A
Retailer 6
-
€300 EUR
£264 GBP
View
A
Retailer 7
-
€314 EUR
$351 USD
View
B+
Retailer 8
-
€322 EUR
$360 USD
View
B+
Retailer 9
-
€385 EUR
$430 USD
View
B
Retailer 10
-
€461 EUR
$515 USD
View
B
Retailer 11
-
€553 EUR
$618 USD
View
B
Retailer 12
-
€584 EUR
$653 USD
View
B
Retailer 13
-
€603 EUR
$673 USD
View
Retailer 14
-
€871 EUR
£766 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
Reve Diamonds
EA4B74DDF · Oct 30
€940 EUR
$1,050 USD
View
14 more retailers have this diamond
Prices start from €139 EURSave up to €801 EUR

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
€139 EUR