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Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG710543372

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710543372

Diamond specifications and retailer prices

From $200 USD
As of October 30, 2026
Save $930 USD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,130 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG710543372 or 710543372. Listed at 25 retailers as of October 30, 2026, with prices from $200 to $1,130, a $930 spread on the same certified stone. Reve Diamonds lists it at $1,130. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710543372
Dimensions6.89 × 6.96 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.89 mm6.96 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710543372
Side View
Table 58.0%Crown 33.7°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $428 USD|Low: $141 USD|High: $1,130 USD|Avg: $515 USD|+10.3%
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
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 31, 2026
Retailer 8$180 USD
Retailer 6$200 USD
Retailer 16$209 USD
Retailer 2$223 USD
Retailer 4$223 USD
Retailer 13$383 USD
Retailer 3$395 USD
Retailer 11$398 USD
Retailer 1$428 USD
Retailer 18$471 USD
Retailer 12$499 USD
Retailer 15$544 USD
Retailer 5$589 USD
Retailer 9$717 USD
Retailer 14$736 USD
Retailer 10$763 USD
Retailer 7$772 USD
Retailer 17$1,049 USD
Reve Diamonds$1,130 USD

45 data points across 19 retailers

25 retailers$200 USD to $1,130 USD

Retailer 1
-
$178 USD
Price last confirmed 39 days ago
Retailer 2
-
$180 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$200 USD
View
Final sale: no returns
A
Retailer 4
-
$209 USD
View
Retailer 5
-
$218 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$223 USD
View
Retailer 7
-
$223 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$383 USD
ZAR 6,190 ZAR
View
A
Retailer 9
-
$395 USD
View
A
Retailer 10
-
$398 USD
£313 GBP
View
A
Retailer 11
-
$400 USD
View
B+
Retailer 12
-
$428 USD
€408 EUR
View
B+
Retailer 13
-
$471 USD
View
B+
Retailer 14
-
$499 USD
A$768 AUD
View
Retailer 15
-
$533 USD
View
Price last confirmed 72 days ago
B+
Retailer 16
-
$544 USD
A$837 AUD
View
B+
Retailer 17
-
$589 USD
View
Retailer 18
-
$670 USD
View
Price last confirmed 13 days ago
Retailer 19
-
$680 USD
View
Price last confirmed 29 days ago
Retailer 20
-
$717 USD
View
Price last confirmed 13 days ago
B
Retailer 21
-
$736 USD
A$1,133 AUD
View
B
Retailer 22
-
$772 USD
View
B
Retailer 23
-
$779 USD
View
B
Retailer 24
-
$1,049 USD
£826 GBP
View
Most Expensive
B
Reve Diamonds
56F1AA688 · Oct 30
$1,130 USD
View
24 more retailers have this diamond
Prices start from $200 USDSave up to $930 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
$200 USD