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Oval|Lab Grown|IGI

1.00ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG823616787

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG823616787

Diamond specifications and retailer prices

From $197 SGD
$154 USD
As of October 29, 2026
Save $1,141 SGD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,338 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG823616787 or 823616787. Listed at 16 retailers as of October 29, 2026, with prices from $197 to $1,338, a $1,141 spread on the same certified stone. Reve Diamonds lists it at $1,338. 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 angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823616787
Dimensions7.79 × 5.66 × 3.51 mm
L/W Ratio1.38
Girdle conditionFaceted
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
7.79 mm5.66 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823616787
Side View
Table 61.0%Crown 34.2°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: $407 SGD|Low: $151 SGD|High: $1,338 SGD|Avg: $568 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 30, 2026
Retailer 7$197 SGD
Retailer 4$243 SGD
Retailer 1$407 SGD
Retailer 9$409 SGD
Retailer 6$426 SGD
Retailer 5$445 SGD
Retailer 11$588 SGD
Retailer 2$617 SGD
Retailer 3$754 SGD
Retailer 8$855 SGD
Retailer 10$1,107 SGD
Reve Diamonds$1,338 SGD

43 data points across 12 retailers

16 retailers$197 SGD to $1,338 SGD

A
Cheapest Retailer
-
$197 SGD
$154 USD
A
Retailer 2
-
$221 SGD
$173 USD
View
A
Retailer 3
-
$237 SGD
$185 USD
View
A
Retailer 4
-
$237 SGD
$185 USD
View
A
Retailer 5
-
$243 SGD
$190 USD
View
Final sale: no returns
A
Retailer 6
-
$407 SGD
$318 USD
View
A
Retailer 7
-
$409 SGD
€305 EUR
View
A
Retailer 8
-
$426 SGD
£262 GBP
View
A
Retailer 9
-
$445 SGD
$348 USD
View
B+
Retailer 10
-
$588 SGD
A$708 AUD
View
B+
Retailer 11
-
$617 SGD
$483 USD
View
B+
Retailer 12
-
$754 SGD
$590 USD
View
B+
Retailer 13
-
$761 SGD
$595 USD
View
B
Retailer 14
-
$855 SGD
$669 USD
View
B
Retailer 15
-
$1,107 SGD
£682 GBP
View
Most Expensive
B
Reve Diamonds
E3F67A94C · Oct 30
$1,338 SGD
$1,046 USD
View
15 more retailers have this diamond
Prices start from $197 SGDSave up to $1,141 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
$197 SGD