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Oval|Lab Grown|IGI

1.81ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG487172867

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG487172867

Diamond specifications and retailer prices

From $1,521 SGD
$1,190 USD
As of October 31, 2026
Save $3,114 SGD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,165 SGD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.81ct lab-grown oval diamond

This 1.81ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487172867 or 487172867. Listed at 14 retailers as of October 31, 2026, with a 205% 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

1.81
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487172867
Dimensions9.44 × 6.95 × 4.18 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.44 mm6.95 mm1.81 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487172867
Side View
Table 61.5%Crown 34.6°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,165 SGD|Low: $1,521 SGD|High: $7,975 SGD|Avg: $3,618 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5$1,521 SGD
Retailer 9$2,375 SGD
Retailer 12$2,585 SGD
Retailer 3$2,659 SGD
Retailer 4$2,756 SGD
Retailer 10$2,756 SGD
Retailer 2$3,758 SGD
Retailer 6$3,782 SGD
Retailer 11$4,320 SGD
Retailer 8$4,635 SGD
NZ Jewellers$5,165 SGD
Retailer 7$7,912 SGD

43 data points across 12 retailers

14 retailers$1,521 SGD to $4,635 SGD

B+
Cheapest Retailer
-
$1,521 SGD
$1,190 USD
B
Retailer 2
-
$2,375 SGD
$1,858 USD
View
B
Retailer 3
-
$2,585 SGD
$2,022 USD
View
B
Retailer 4
-
$2,659 SGD
$2,080 USD
View
Final sale: no returns
B
Retailer 5
-
$2,756 SGD
$2,156 USD
View
Retailer 6
-
$2,756 SGD
$2,156 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,972 SGD
$2,325 USD
View
B
Retailer 8
-
$3,758 SGD
£2,314 GBP
View
B
Retailer 9
-
$3,782 SGD
£2,330 GBP
View
B
Retailer 10
-
$4,320 SGD
$3,379 USD
View
B
Retailer 11
-
$4,635 SGD
$3,626 USD
View
Most Expensive
NZ Jewellers
f63556bc-fcef-455d-9283-50ff876dc9c5 · Oct 31
$5,165 SGD
$4,040 USD
View
Price under review
11 more retailers have this diamond
Prices start from $1,521 SGDSave up to $3,114 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+
1.81ct Oval
$1,521 SGD