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Oval|Lab Grown|IGI

1.00ct E I1 Oval Lab Grown Diamond

ID • E/I1 • IGI LG551275781

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG551275781

Diamond specifications and retailer prices

From $256 SGD
$200 USD
As of October 30, 2026
Save $1,080 SGD (81%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,336 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG551275781 or 551275781. Listed at 5 retailers as of October 29, 2026, with prices from $256 to $1,336, a $1,080 spread on the same certified stone. MOH London lists it at $1,336. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551275781
Dimensions8.05 × 5.60 × 3.54 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
8.05 mm5.60 mm1.00 ctE / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551275781
Side View
Table 57.0%Crown 35°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 63.2%

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: $1,336 SGD|Low: $254 SGD|High: $1,336 SGD|Avg: $557 SGD|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 3$256 SGD
Retailer 2$349 SGD
Retailer 5$410 SGD
Retailer 4$552 SGD
MOH London$1,336 SGD

14 data points across 5 retailers

5 retailers$256 SGD to $1,336 SGD

A
Cheapest Retailer
-
$256 SGD
$200 USD
B+
Retailer 2
-
$349 SGD
$272 USD
View
A
Retailer 3
-
$410 SGD
HK$2,500 HKD
View
A
Retailer 4
-
$552 SGD
$431 USD
View
Most Expensive
B+
MOH London
LG551275781 · Oct 29
$1,336 SGD
£821 GBP
View
4 more retailers have this diamond
Prices start from $256 SGDSave up to $1,080 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
1.00ct Oval
$256 SGD