Round|Lab Grown|IGI

1.23ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG815697872

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815697872

Diamond specifications and retailer prices

From $261 USD
As of October 30, 2026
Save $1,449 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,710 USD at Do Amore Diamonds · As of October 26, 2026
View at Do Amore Diamonds

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 LG815697872 or 815697872. Listed at 13 retailers as of October 26, 2026, with prices from $261 to $1,710, a $1,449 spread on the same certified stone. Do Amore Diamonds lists it at $1,710. 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 angle33.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697872
Dimensions6.88 × 6.91 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.88 mm6.91 mm1.23 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697872
Side View
Table 57.0%Crown 33.2°Girdle: MediumPavilion 41°Culet: NoneDepth 61.4%

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 30
Current: $1,710 USD|Low: $135 USD|High: $1,780 USD|Avg: $547 USD|-3.9%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 26, 2026
Retailer 3$171 USD
Retailer 15$200 USD
Retailer 9$209 USD
Retailer 4$261 USD
Retailer 20$301 USD
Retailer 8$352 USD
Retailer 10$353 USD
Retailer 16$403 USD
Retailer 2$408 USD
Retailer 7$451 USD
Retailer 11$451 USD
Retailer 19$590 USD
Retailer 18$597 USD
Retailer 13$628 USD
Retailer 5$711 USD
Retailer 12$715 USD
Retailer 14$736 USD
Retailer 21$740 USD
Retailer 6$785 USD
Retailer 17$1,144 USD
Do Amore Diamonds$1,710 USD

14 data points across 21 retailers

13 retailers$261 USD to $1,710 USD

Retailer 1
-
$171 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$261 USD
View
B+
Retailer 3
-
$301 USD
View
A
Retailer 4
-
$403 USD
€384 EUR
View
A
Retailer 5
-
$408 USD
£322 GBP
View
Retailer 6
-
$590 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$597 USD
A$919 AUD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$628 USD
View
B+
Retailer 9
-
$711 USD
View
B
Retailer 10
-
$740 USD
View
Retailer 11
-
$785 USD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$1,144 USD
£901 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F5B5C1207 · Oct 26
$1,710 USD
View
12 more retailers have this diamond
Prices start from $261 USDSave up to $1,449 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
$261 USD