Oval|Lab Grown|IGI

1.23ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG816658990

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816658990

Diamond specifications and retailer prices

From $419 SGD
$328 USD
As of October 30, 2026
Save $909 SGD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,416 SGD at Do Amore Diamonds · As of October 23, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816658990 or 816658990. Listed at 17 retailers as of October 30, 2026, with a 217% 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
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816658990
Dimensions8.25 × 6.04 × 3.81 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.25 mm6.04 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816658990
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.1%

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 30
Current: $2,416 SGD|Low: $238 SGD|High: $2,416 SGD|Avg: $819 SGD|+1.6%
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
October 27, 2026
Retailer 4$252 SGD
Retailer 6$281 SGD
Retailer 5$312 SGD
Retailer 16$312 SGD
Retailer 8$419 SGD
Retailer 12$431 SGD
Retailer 10$458 SGD
Retailer 13$587 SGD
Retailer 11$617 SGD
Retailer 15$848 SGD
Retailer 2$960 SGD
Retailer 17$1,007 SGD
Retailer 3$1,108 SGD
Retailer 9$1,328 SGD
Retailer 14$1,388 SGD
Retailer 7$1,514 SGD
Do Amore Diamonds$2,416 SGD

29 data points across 17 retailers

17 retailers$419 SGD to $1,328 SGD

Retailer 1
-
$252 SGD
$197 USD
Price last confirmed 10 days ago
Retailer 2
-
$252 SGD
$197 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$312 SGD
$244 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$312 SGD
$244 USD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$419 SGD
$328 USD
View
Retailer 6
-
$431 SGD
£266 GBP
View
Price last confirmed 9 days ago
A
Retailer 7
-
$458 SGD
$358 USD
View
Retailer 8
-
$587 SGD
ZAR 7,414 ZAR
View
Price last confirmed 13 days ago
Retailer 9
-
$617 SGD
£380 GBP
View
Price last confirmed 8 days ago
Retailer 10
-
$848 SGD
A$1,021 AUD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
$960 SGD
A$1,155 AUD
View
Retailer 12
-
$1,007 SGD
$788 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$1,108 SGD
$867 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$1,328 SGD
$1,039 USD
View
Retailer 15
-
$1,388 SGD
£855 GBP
View
Price last confirmed 10 days ago
Retailer 16
-
$1,514 SGD
$1,184 USD
View
Price last confirmed 8 days ago
Most Expensive
Do Amore Diamonds
27-67C134D2D · Oct 23
$2,416 SGD
$1,890 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from $419 SGDSave up to $909 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
$419 SGD