Oval|Lab Grown|IGI

1.23ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG802637388

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG802637388

Diamond specifications and retailer prices

From $252 USD
As of November 3, 2026
Save $1,988 USD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,430 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval 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 LG802637388 or 802637388. Listed at 26 retailers as of November 3, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802637388
Dimensions8.50 × 6.07 × 3.79 mm
L/W Ratio1.40
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
8.50 mm6.07 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802637388
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.4%

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: Nov 3
Current: $2,430 USD|Low: $242 USD|High: $2,430 USD|Avg: $825 USD
Do Amore Diamonds
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
November 5, 2026
Retailer 4$252 USD
Retailer 7$281 USD
Retailer 5$313 USD
Retailer 8$419 USD
Retailer 14$475 USD
Retailer 12$595 USD
Retailer 2$603 USD
Retailer 3$609 USD
Retailer 6$640 USD
Retailer 16$700 USD
Retailer 10$848 USD
Retailer 15$858 USD
Retailer 17$962 USD
Retailer 9$1,359 USD
Retailer 11$1,384 USD
Retailer 13$1,410 USD
Do Amore Diamonds$2,430 USD

44 data points across 17 retailers

26 retailers$252 USD to $2,240 USD

Retailer 1
-
$242 USD
Price last confirmed 35 days ago
A
Retailer 2
-
$252 USD
View
A
Retailer 3
-
$281 USD
View
Final sale: no returns
Retailer 4
-
$293 USD
View
Price last confirmed 41 days ago
Retailer 5
-
$313 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$313 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$313 USD
View
A
Retailer 8
-
$383 USD
View
A
Retailer 9
-
$419 USD
View
A
Retailer 10
-
$475 USD
View
A
Retailer 11
-
$595 USD
View
A
Retailer 12
-
$603 USD
View
B+
Retailer 13
-
$609 USD
View
B+
Retailer 14
-
$640 USD
View
Retailer 15
-
$700 USD
View
Price last confirmed 18 days ago
B+
Retailer 16
-
$848 USD
View
Retailer 17
-
$858 USD
View
Price last confirmed 7 days ago
B
Retailer 18
-
$962 USD
View
Retailer 19
-
$1,111 USD
View
Price last confirmed 29 days ago
B
Retailer 20
-
$1,277 USD
View
B
Retailer 21
-
$1,341 USD
View
B
Retailer 22
-
$1,359 USD
View
B
Retailer 23
-
$1,384 USD
View
B
Retailer 24
-
$1,410 USD
View
B
Retailer 25
-
$2,240 USD
View
Most Expensive
Do Amore Diamonds
23-802637388 · Nov 4
$2,430 USD
View
Price under review
25 more retailers have this diamond
Prices start from $252 USDSave up to $1,988 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 Oval
$252 USD