Oval|Lab Grown|IGI

1.60ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG818685144

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818685144

Diamond specifications and retailer prices

From $302 SGD
$236 USD
As of October 29, 2026
Save $1,684 SGD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,987 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.6ct lab-grown oval diamond

This 1.6ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818685144 or 818685144. Listed at 25 retailers as of October 28, 2026, with prices from $302 to $1,987, a $1,684 spread on the same certified stone. Brilliant Earth lists it at $1,987. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818685144
Dimensions9.43 × 6.69 × 4.00 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.43 mm6.69 mm1.60 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818685144
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.8%

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: Oct 29
Current: $1,987 SGD|Low: $290 SGD|High: $2,153 SGD|Avg: $893 SGD|-7.7%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
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Retailer 20
October 30, 2026
Retailer 4$302 SGD
Retailer 7$337 SGD
Retailer 11$350 SGD
Retailer 9$374 SGD
Retailer 20$419 SGD
Retailer 18$600 SGD
Retailer 2$634 SGD
Retailer 16$644 SGD
Retailer 13$708 SGD
Retailer 8$748 SGD
Retailer 12$797 SGD
Retailer 17$873 SGD
Retailer 3$982 SGD
Retailer 10$1,205 SGD
Retailer 19$1,352 SGD
Retailer 14$1,430 SGD
Retailer 15$1,509 SGD
Retailer 5$1,524 SGD
Retailer 6$1,676 SGD
Brilliant Earth$1,987 SGD

37 data points across 20 retailers

25 retailers$302 SGD to $1,987 SGD

A
Cheapest Retailer
-
$302 SGD
$236 USD
A
Retailer 2
-
$337 SGD
$263 USD
View
Final sale: no returns
A
Retailer 3
-
$350 SGD
$273 USD
View
A
Retailer 4
-
$374 SGD
$292 USD
View
A
Retailer 5
-
$374 SGD
$292 USD
View
Retailer 6
-
$419 SGD
£258 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$600 SGD
€446 EUR
View
A
Retailer 8
-
$634 SGD
$495 USD
View
A
Retailer 9
-
$644 SGD
ZAR 8,113 ZAR
View
A
Retailer 10
-
$708 SGD
£435 GBP
View
A
Retailer 11
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$738 SGD
$576 USD
View
A
Retailer 12
-
$748 SGD
A$898 AUD
View
A
Retailer 13
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$776 SGD
$605 USD
View
A
Retailer 14
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$797 SGD
$622 USD
View
A
Retailer 15
-
$873 SGD
A$1,048 AUD
View
B+
Retailer 16
-
$982 SGD
$766 USD
View
B+
Retailer 17
-
$1,205 SGD
$940 USD
View
B+
Retailer 18
-
$1,271 SGD
$992 USD
View
Retailer 19
-
$1,352 SGD
$1,055 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
$1,430 SGD
A$1,716 AUD
View
B
Retailer 21
-
$1,509 SGD
£927 GBP
View
B
Retailer 22
-
$1,524 SGD
$1,189 USD
View
B
Retailer 23
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$1,528 SGD
$1,192 USD
View
B
Retailer 24
-
$1,676 SGD
$1,308 USD
View
Most Expensive
B
Brilliant Earth
21052573A · Oct 28
$1,987 SGD
$1,550 USD
View
24 more retailers have this diamond
Prices start from $302 SGDSave up to $1,684 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
1.60ct Oval
$302 SGD