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 $1,190 USD
As of October 31, 2026
Save $2,436 USD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,040 USD 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
Color
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: $4,040 USD|Low: $1,190 USD|High: $6,238 USD|Avg: $2,830 USD
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$1,190 USD
Retailer 9$1,858 USD
Retailer 12$2,022 USD
Retailer 3$2,080 USD
Retailer 4$2,156 USD
Retailer 10$2,156 USD
Retailer 2$2,939 USD
Retailer 6$2,959 USD
Retailer 11$3,379 USD
Retailer 8$3,626 USD
NZ Jewellers$4,040 USD
Retailer 7$6,189 USD

43 data points across 12 retailers

14 retailers$1,190 USD to $3,626 USD

B+
Cheapest Retailer
-
$1,190 USD
B
Retailer 2
-
$1,858 USD
View
B
Retailer 3
-
$2,022 USD
View
B
Retailer 4
-
$2,080 USD
View
Final sale: no returns
B
Retailer 5
-
$2,156 USD
View
Retailer 6
-
$2,156 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,325 USD
View
B
Retailer 8
-
$2,939 USD
£2,314 GBP
View
B
Retailer 9
-
$2,959 USD
£2,330 GBP
View
B
Retailer 10
-
$3,379 USD
View
B
Retailer 11
-
$3,626 USD
View
Most Expensive
NZ Jewellers
f63556bc-fcef-455d-9283-50ff876dc9c5 · Oct 31
$4,040 USD
View
Price under review
11 more retailers have this diamond
Prices start from $1,190 USDSave up to $2,436 USD

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
$1,190 USD