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Round|Lab Grown|IGI

1.01ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG818632203

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818632203

Diamond specifications and retailer prices

From $189 SGD
As of November 5, 2026
Save $1,122 SGD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,311 SGD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round 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 LG818632203 or 818632203. Listed at 17 retailers as of November 4, 2026, with prices from $189 to $1,311, a $1,122 spread on the same certified stone. Reve Diamonds lists it at $1,311. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818632203
Dimensions6.42 × 6.39 × 3.98 mm
L/W Ratio1.00
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
6.42 mm6.39 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818632203
Side View
Table 56.0%Crown 34.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

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 5
Current: $459 SGD|Low: $178 SGD|High: $1,311 SGD|Avg: $481 SGD|+1.1%
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 5, 2026
Retailer 12$189 SGD
Retailer 3$218 SGD
Retailer 10$230 SGD
Retailer 14$234 SGD
Retailer 2$355 SGD
Retailer 8$400 SGD
Retailer 13$404 SGD
Retailer 4$430 SGD
Retailer 1$459 SGD
Retailer 7$517 SGD
Retailer 6$613 SGD
Retailer 11$617 SGD
Retailer 15$752 SGD
Retailer 5$823 SGD
Retailer 9$1,090 SGD
Reve Diamonds$1,311 SGD

40 data points across 16 retailers

17 retailers$189 SGD to $1,311 SGD

A
Cheapest Retailer
-
$189 SGD
A
Retailer 2
-
$218 SGD
View
Retailer 3
-
$229 SGD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$230 SGD
View
Final sale: no returns
A
Retailer 5
-
$234 SGD
View
A
Retailer 6
-
$355 SGD
View
A
Retailer 7
-
$400 SGD
View
A
Retailer 8
-
$404 SGD
View
B+
Retailer 9
-
$430 SGD
View
B+
Retailer 10
-
$459 SGD
View
Retailer 11
-
$517 SGD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$613 SGD
View
B+
Retailer 13
-
$617 SGD
View
B
Retailer 14
-
$752 SGD
View
B
Retailer 15
-
$823 SGD
View
B
Retailer 16
-
$1,090 SGD
View
Most Expensive
B
Reve Diamonds
264BE92C8 · Nov 4
$1,311 SGD
$1,027 USD
View
16 more retailers have this diamond
Prices start from $189 SGDSave up to $1,122 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
1.01ct Round
$189 SGD