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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG780697404

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780697404

Diamond specifications and retailer prices

From $176 SGD
As of November 3, 2026
Save $1,094 SGD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,270 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 LG780697404 or 780697404. Listed at 20 retailers as of November 3, 2026, with prices from $176 to $1,270, a $1,094 spread on the same certified stone. Reve Diamonds lists it at $1,270. 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 angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780697404
Dimensions6.53 × 6.50 × 4.03 mm
L/W Ratio1.00
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
6.53 mm6.50 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780697404
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $367 SGD|Low: $171 SGD|High: $1,270 SGD|Avg: $515 SGD|+2.1%
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
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 5, 2026
Retailer 3$176 SGD
Retailer 6$197 SGD
Retailer 17$204 SGD
Retailer 7$218 SGD
Retailer 18$218 SGD
Retailer 1$367 SGD
Retailer 2$372 SGD
Retailer 13$384 SGD
Retailer 8$407 SGD
Retailer 11$429 SGD
Retailer 12$492 SGD
Retailer 15$513 SGD
Retailer 9$599 SGD
Retailer 5$630 SGD
Retailer 4$701 SGD
Retailer 16$741 SGD
Retailer 10$771 SGD
Retailer 14$1,018 SGD
Reve Diamonds$1,270 SGD

36 data points across 19 retailers

20 retailers$176 SGD to $1,270 SGD

A
Cheapest Retailer
-
$176 SGD
A
Retailer 2
-
$197 SGD
View
Final sale: no returns
A
Retailer 3
-
$204 SGD
View
Retailer 4
-
$218 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$218 SGD
View
A
Retailer 6
-
$367 SGD
View
A
Retailer 7
-
$372 SGD
View
A
Retailer 8
-
$384 SGD
View
A
Retailer 9
-
$407 SGD
View
A
Retailer 10
-
$429 SGD
View
B+
Retailer 11
-
$492 SGD
View
B+
Retailer 12
-
$513 SGD
View
Retailer 13
-
$544 SGD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$599 SGD
View
B+
Retailer 15
-
$630 SGD
View
B
Retailer 16
-
$701 SGD
View
B
Retailer 17
-
$741 SGD
View
B
Retailer 18
-
$771 SGD
View
B
Retailer 19
-
$1,018 SGD
View
Most Expensive
B
Reve Diamonds
4F5867411 · Nov 4
$1,270 SGD
$995 USD
View
19 more retailers have this diamond
Prices start from $176 SGDSave up to $1,094 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
$176 SGD