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Round|Lab Grown|IGI

1.05ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG474116583

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474116583

Diamond specifications and retailer prices

From $792 SGD
As of November 5, 2026
Save $950 SGD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,647 SGD at Friendly Diamonds · As of November 4, 2026
View at Friendly 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116583 or 474116583. Listed at 11 retailers as of November 4, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116583
Dimensions6.58 × 6.54 × 3.91 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 / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116583
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,647 SGD|Low: $792 SGD|High: $4,275 SGD|Avg: $1,676 SGD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$792 SGD
Retailer 4$926 SGD
Retailer 8$1,037 SGD
Retailer 6$1,074 SGD
Retailer 2$1,691 SGD
Retailer 7$1,742 SGD
Friendly Diamonds$2,647 SGD
Retailer 3$4,225 SGD

41 data points across 8 retailers

11 retailers$792 SGD to $1,742 SGD

B
Cheapest Retailer
-
$792 SGD
B
Retailer 2
-
$926 SGD
View
B
Retailer 3
-
$1,008 SGD
View
B
Retailer 4
-
$1,037 SGD
View
Final sale: no returns
B
Retailer 5
-
$1,074 SGD
View
Retailer 6
-
$1,074 SGD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$1,691 SGD
View
B
Retailer 8
-
$1,742 SGD
View
Most Expensive
Friendly Diamonds
1589662 · Nov 4
$2,647 SGD
$2,072 USD
View
Price under review
8 more retailers have this diamond
Prices start from $792 SGDSave up to $950 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.

B
1.05ct Round
$792 SGD