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Round|Lab Grown|IGI

1.23ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG845673735

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845673735

Diamond specifications and retailer prices

From $175 USD
As of October 29, 2026
Save $840 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,015 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845673735 or 845673735. Listed at 20 retailers as of October 26, 2026, with prices from $175 to $1,015, a $840 spread on the same certified stone. MOH London lists it at $1,015. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845673735
Dimensions6.85 × 6.89 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.85 mm6.89 mm1.23 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845673735
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.1%

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: Oct 29
Current: $1,015 USD|Low: $175 USD|High: $1,019 USD|Avg: $487 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 9$175 USD
Retailer 19$203 USD
Retailer 4$217 USD
Retailer 18$217 USD
Retailer 8$243 USD
Retailer 7$292 USD
Retailer 14$363 USD
Retailer 15$368 USD
Retailer 16$372 USD
Retailer 2$384 USD
Retailer 3$452 USD
Retailer 20$466 USD
Retailer 17$528 USD
Retailer 13$540 USD
Retailer 6$615 USD
Retailer 5$697 USD
Retailer 11$721 USD
Retailer 12$731 USD
Retailer 10$751 USD
MOH London$1,015 USD

14 data points across 20 retailers

20 retailers$175 USD to $1,015 USD

A
Cheapest Retailer
-
$175 USD
A
Retailer 2
-
$203 USD
View
A
Retailer 3
-
$217 USD
View
A
Retailer 4
-
$217 USD
View
A
Retailer 5
-
$243 USD
HK$1,900 HKD
View
B+
Retailer 6
-
$292 USD
View
A
Retailer 7
-
$363 USD
£286 GBP
View
A
Retailer 8
-
$368 USD
€350 EUR
View
A
Retailer 9
-
$372 USD
ZAR 6,010 ZAR
View
A
Retailer 10
-
$384 USD
£302 GBP
View
B+
Retailer 11
-
$452 USD
View
B+
Retailer 12
-
$466 USD
View
B+
Retailer 13
-
$528 USD
A$813 AUD
View
B+
Retailer 14
-
$540 USD
View
Retailer 15
-
$615 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$697 USD
View
B
Retailer 17
-
$721 USD
SGD 974 SGD
View
B
Retailer 18
-
$731 USD
View
B
Retailer 19
-
$751 USD
View
Most Expensive
B
MOH London
LG845673735 · Oct 26
$1,015 USD
£799 GBP
View
19 more retailers have this diamond
Prices start from $175 USDSave up to $840 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
1.23ct Round
$175 USD