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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG800610785

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG800610785

Diamond specifications and retailer prices

From $185 SGD
As of November 6, 2026
Save $1,115 SGD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,299 SGD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant 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 LG800610785 or 800610785. Listed at 18 retailers as of November 6, 2026, with prices from $185 to $1,299, a $1,115 spread on the same certified stone. Reve Diamonds lists it at $1,299. 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 angle26.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800610785
Dimensions7.39 × 4.80 × 3.08 mm
L/W Ratio1.54
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
7.39 mm4.80 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800610785
Side View
Table 63.0%Crown 26.2°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 64.2%

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: Nov 6
Current: $395 SGD|Low: $173 SGD|High: $1,299 SGD|Avg: $473 SGD|+2.3%
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
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 2$185 SGD
Retailer 14$214 SGD
Retailer 11$223 SGD
Retailer 6$228 SGD
Retailer 8$272 SGD
Retailer 9$388 SGD
Retailer 1$395 SGD
Retailer 15$402 SGD
Retailer 3$424 SGD
Retailer 4$433 SGD
Retailer 12$599 SGD
Retailer 13$734 SGD
Retailer 5$805 SGD
Retailer 7$807 SGD
Retailer 10$1,064 SGD
Reve Diamonds$1,299 SGD

37 data points across 16 retailers

18 retailers$185 SGD to $1,299 SGD

A
Cheapest Retailer
-
$185 SGD
A
Retailer 2
-
$214 SGD
View
A
Retailer 3
-
$223 SGD
View
Final sale: no returns
Retailer 4
-
$223 SGD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$228 SGD
View
A
Retailer 6
-
$272 SGD
View
A
Retailer 7
-
$388 SGD
View
A
Retailer 8
-
$395 SGD
View
A
Retailer 9
-
$402 SGD
View
A
Retailer 10
-
$424 SGD
View
A
Retailer 11
-
$433 SGD
View
B+
Retailer 12
-
$599 SGD
View
B+
Retailer 13
-
$734 SGD
View
Retailer 14
-
$774 SGD
View
Price last confirmed 103 days ago
B
Retailer 15
-
$805 SGD
View
B
Retailer 16
-
$807 SGD
View
B
Retailer 17
-
$1,064 SGD
View
Most Expensive
B
Reve Diamonds
0CA34C042 · Nov 6
$1,299 SGD
$1,014 USD
View
17 more retailers have this diamond
Prices start from $185 SGDSave up to $1,115 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 Radiant
$185 SGD