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Oval|Lab Grown|IGI

1.23ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG817661900

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817661900

Diamond specifications and retailer prices

From $290 SGD
$227 USD
As of October 29, 2026
Save $2,497 SGD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,787 SGD 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 LG817661900 or 817661900. Listed at 19 retailers as of October 29, 2026, with prices from $290 to $2,787, a $2,497 spread on the same certified stone. Do Amore Diamonds lists it at $2,787. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661900
Dimensions8.94 × 5.97 × 3.71 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.94 mm5.97 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661900
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

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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: $2,787 SGD|Low: $217 SGD|High: $2,787 SGD|Avg: $896 SGD
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
October 30, 2026
Retailer 9$217 SGD
Retailer 17$290 SGD
Retailer 7$323 SGD
Retailer 5$336 SGD
Retailer 8$361 SGD
Retailer 19$361 SGD
Retailer 10$483 SGD
Retailer 2$532 SGD
Retailer 3$612 SGD
Retailer 12$756 SGD
Retailer 6$764 SGD
Retailer 15$882 SGD
Retailer 13$967 SGD
Retailer 16$1,162 SGD
Retailer 4$1,277 SGD
Retailer 18$1,375 SGD
Retailer 14$1,594 SGD
Retailer 11$1,635 SGD
Do Amore Diamonds$2,787 SGD

44 data points across 19 retailers

19 retailers$290 SGD to $2,787 SGD

A
Cheapest Retailer
-
$290 SGD
$227 USD
A
Retailer 2
-
$323 SGD
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$336 SGD
$263 USD
View
A
Retailer 4
-
$361 SGD
$282 USD
View
A
Retailer 5
-
$361 SGD
$282 USD
View
A
Retailer 6
-
$483 SGD
$378 USD
View
A
Retailer 7
-
$532 SGD
£328 GBP
View
A
Retailer 8
-
$612 SGD
$479 USD
View
B+
Retailer 9
-
$756 SGD
£466 GBP
View
B+
Retailer 10
-
$764 SGD
$598 USD
View
Retailer 11
-
$882 SGD
$690 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$967 SGD
A$1,164 AUD
View
B
Retailer 13
-
$1,162 SGD
$909 USD
View
B
Retailer 14
-
$1,277 SGD
$999 USD
View
B
Retailer 15
-
$1,375 SGD
CA$1,494 CAD
View
B
Retailer 16
-
$1,496 SGD
$1,170 USD
View
B
Retailer 17
-
$1,594 SGD
£982 GBP
View
B
Retailer 18
-
$1,635 SGD
$1,279 USD
View
Most Expensive
B
Do Amore Diamonds
27-B97F3F9B6 · Oct 29
$2,787 SGD
$2,180 USD
View
18 more retailers have this diamond
Prices start from $290 SGDSave up to $2,497 SGD

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
$290 SGD