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Oval|Lab Grown|IGI

1.00ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG797645977

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797645977

Diamond specifications and retailer prices

From $229 SGD
$179 USD
As of October 29, 2026
Save $1,209 SGD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,494 SGD at Yorxs · As of October 29, 2026
View at Yorxs

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG797645977 or 797645977. Listed at 18 retailers as of October 29, 2026, with a 528% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797645977
Dimensions8.07 × 5.52 × 3.48 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
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
8.07 mm5.52 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797645977
Side View
Table 59.0%Crown 32.9°Girdle: STK-VTKPavilion 37.6°Culet: NoneDepth 63.0%

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: $254 SGD|Low: $151 SGD|High: $18,160 SGD|Avg: $1,500 SGD|+68.6%
Retailer 1
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
Yorxs
October 30, 2026
Retailer 10$229 SGD
Retailer 1$254 SGD
Retailer 7$502 SGD
Retailer 9$509 SGD
Retailer 4$588 SGD
Retailer 5$617 SGD
Retailer 6$754 SGD
Retailer 11$979 SGD
Retailer 8$1,438 SGD
Retailer 3$5,631 SGD
Retailer 14$5,835 SGD
Retailer 13$6,232 SGD
Retailer 2$7,788 SGD
Yorxs$10,494 SGD
Retailer 12$12,974 SGD

45 data points across 15 retailers

18 retailers$229 SGD to $1,438 SGD

A
Cheapest Retailer
-
$229 SGD
$179 USD
Retailer 2
-
$237 SGD
$185 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$254 SGD
$199 USD
View
Final sale: no returns
Retailer 4
-
$404 SGD
$316 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$502 SGD
$393 USD
View
B+
Retailer 6
-
$509 SGD
£313 GBP
View
B+
Retailer 7
-
$588 SGD
A$708 AUD
View
Retailer 8
-
$617 SGD
$483 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$669 SGD
$524 USD
View
Price last confirmed 110 days ago
Retailer 10
-
$754 SGD
$590 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$979 SGD
$766 USD
View
B
Retailer 12
-
$1,438 SGD
$1,125 USD
View
Retailer 13
-
$5,631 SGD
$4,405 USD
View
Price under review
Retailer 14
-
$5,835 SGD
$4,564 USD
View
Price under review
Retailer 15
-
$6,232 SGD
$4,875 USD
View
Price under review
Retailer 16
-
$7,788 SGD
$6,092 USD
View
Price under review
Most Expensive
Yorxs
2626DE4AD · Oct 29
$10,494 SGD
€7,818 EUR
View
Price under review
16 more retailers have this diamond
Prices start from $229 SGDSave up to $1,209 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
$229 SGD