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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG670428283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670428283

Diamond specifications and retailer prices

From $188 SGD
As of November 5, 2026
Save $1,121 SGD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,308 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 LG670428283 or 670428283. Listed at 24 retailers as of November 4, 2026, with prices from $188 to $1,308, a $1,121 spread on the same certified stone. Reve Diamonds lists it at $1,308. 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 angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670428283
Dimensions6.58 × 6.56 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm6.56 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670428283
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 41°Culet: NoneDepth 60.8%

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: $397 SGD|Low: $180 SGD|High: $1,101 SGD|Avg: $505 SGD|+3.7%
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
November 6, 2026
Retailer 11$188 SGD
Retailer 7$209 SGD
Retailer 13$217 SGD
Retailer 2$232 SGD
Retailer 5$317 SGD
Retailer 1$397 SGD
Retailer 10$439 SGD
Retailer 6$456 SGD
Retailer 9$505 SGD
Retailer 12$748 SGD
Retailer 4$791 SGD
Retailer 3$830 SGD
Retailer 8$1,084 SGD

40 data points across 13 retailers

24 retailers$188 SGD to $1,308 SGD

A
Cheapest Retailer
-
$188 SGD
A
Retailer 2
-
$209 SGD
View
Final sale: no returns
A
Retailer 3
-
$217 SGD
View
Retailer 4
-
$230 SGD
View
Price last confirmed 66 days ago
Retailer 5
-
$232 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$232 SGD
View
B+
Retailer 7
-
$317 SGD
View
A
Retailer 8
-
$377 SGD
View
A
Retailer 9
-
$397 SGD
View
B+
Retailer 10
-
$439 SGD
View
A
Retailer 11
-
$456 SGD
View
B+
Retailer 12
-
$505 SGD
View
B+
Retailer 13
-
$505 SGD
View
B+
Retailer 14
-
$505 SGD
View
B+
Retailer 15
-
$505 SGD
View
B+
Retailer 16
-
$524 SGD
View
B+
Retailer 17
-
$524 SGD
View
Retailer 18
-
$547 SGD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$748 SGD
View
B
Retailer 20
-
$791 SGD
View
B
Retailer 21
-
$819 SGD
View
B
Retailer 22
-
$830 SGD
View
B
Retailer 23
-
$1,084 SGD
View
Most Expensive
B
Reve Diamonds
61D252AC6 · Nov 4
$1,308 SGD
$1,024 USD
View
23 more retailers have this diamond
Prices start from $188 SGDSave up to $1,121 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
$188 SGD