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Oval|Lab Grown|IGI

1.23ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG817661939

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817661939

Diamond specifications and retailer prices

From $227 USD
As of October 29, 2026
Save $1,953 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,180 USD at Do Amore Diamonds · As of October 29, 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 LG817661939 or 817661939. Listed at 18 retailers as of October 29, 2026, with prices from $227 to $2,180, a $1,953 spread on the same certified stone. Do Amore Diamonds lists it at $2,180. 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 angle35.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661939
Dimensions8.85 × 5.99 × 3.74 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.85 mm5.99 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661939
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.4%

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: $2,180 USD|Low: $197 USD|High: $2,180 USD|Avg: $628 USD
Do Amore Diamonds
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Retailer 23
October 31, 2026
Retailer 9$227 USD
Retailer 14$244 USD
Retailer 8$253 USD
Retailer 5$263 USD
Retailer 20$282 USD
Retailer 6$378 USD
Retailer 12$410 USD
Retailer 13$417 USD
Retailer 10$417 USD
Retailer 22$479 USD
Retailer 18$592 USD
Retailer 21$598 USD
Retailer 16$679 USD
Retailer 4$757 USD
Retailer 15$884 USD
Retailer 2$909 USD
Retailer 3$999 USD
Retailer 11$1,020 USD
Retailer 17$1,076 USD
Retailer 7$1,170 USD
Retailer 19$1,252 USD
Retailer 23$1,279 USD
Do Amore Diamonds$2,180 USD

16 data points across 23 retailers

18 retailers$227 USD to $2,180 USD

A
Cheapest Retailer
-
$227 USD
A
Retailer 2
-
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$263 USD
View
A
Retailer 4
-
$282 USD
View
A
Retailer 5
-
$378 USD
View
A
Retailer 6
-
$417 USD
£328 GBP
View
A
Retailer 7
-
$479 USD
View
B+
Retailer 8
-
$592 USD
£466 GBP
View
B+
Retailer 9
-
$598 USD
View
Retailer 10
-
$679 USD
View
Price last confirmed 51 days ago
B+
Retailer 11
-
$757 USD
A$1,164 AUD
View
B
Retailer 12
-
$909 USD
View
B
Retailer 13
-
$999 USD
View
B
Retailer 14
-
$1,076 USD
CA$1,494 CAD
View
B
Retailer 15
-
$1,170 USD
View
B
Retailer 16
-
$1,252 USD
£986 GBP
View
B
Retailer 17
-
$1,279 USD
View
Most Expensive
B
Do Amore Diamonds
27-8DED407EC · Oct 29
$2,180 USD
View
17 more retailers have this diamond
Prices start from $227 USDSave up to $1,953 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
$227 USD