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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG781611968

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781611968

Diamond specifications and retailer prices

From $189 SGD
As of November 5, 2026
Save $1,124 SGD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,313 SGD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG781611968 or 781611968. Listed at 19 retailers as of November 4, 2026, with prices from $189 to $1,313, a $1,124 spread on the same certified stone. Reve Diamonds lists it at $1,313. 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

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781611968
Dimensions6.58 × 6.54 × 3.99 mm
L/W Ratio1.01
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
6.58 mm6.54 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781611968
Side View
Table 57.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $460 SGD|Low: $180 SGD|High: $1,313 SGD|Avg: $562 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 6$189 SGD
Retailer 4$211 SGD
Retailer 3$235 SGD
Retailer 15$235 SGD
Retailer 8$401 SGD
Retailer 2$433 SGD
Retailer 1$460 SGD
Retailer 11$460 SGD
Retailer 10$492 SGD
Retailer 14$548 SGD
Retailer 7$754 SGD
Retailer 13$797 SGD
Retailer 5$824 SGD
Retailer 12$843 SGD
Retailer 9$1,092 SGD
Reve Diamonds$1,313 SGD

37 data points across 16 retailers

19 retailers$189 SGD to $1,313 SGD

A
Cheapest Retailer
-
$189 SGD
A
Retailer 2
-
$211 SGD
View
Final sale: no returns
A
Retailer 3
-
$235 SGD
View
Retailer 4
-
$235 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$377 SGD
View
A
Retailer 6
-
$401 SGD
View
A
Retailer 7
-
$433 SGD
View
B+
Retailer 8
-
$460 SGD
View
A
Retailer 9
-
$460 SGD
View
B+
Retailer 10
-
$492 SGD
View
B+
Retailer 11
-
$548 SGD
View
B+
Retailer 12
-
$634 SGD
View
Retailer 13
-
$748 SGD
View
Price last confirmed 46 days ago
B
Retailer 14
-
$754 SGD
View
B
Retailer 15
-
$797 SGD
View
B
Retailer 16
-
$824 SGD
View
B
Retailer 17
-
$843 SGD
View
B
Retailer 18
-
$1,092 SGD
View
Most Expensive
B
Reve Diamonds
62C6B3245 · Nov 4
$1,313 SGD
$1,028 USD
View
18 more retailers have this diamond
Prices start from $189 SGDSave up to $1,124 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
1.05ct Round
$189 SGD