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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 $1,694 AUD
$1,190 USD
As of October 30, 2026
Save $3,468 AUD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,751 AUD 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 30, 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,751 AUD|Low: $1,694 AUD|High: $8,881 AUD|Avg: $3,961 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 6$1,694 AUD
Retailer 10$2,645 AUD
Retailer 13$2,879 AUD
Retailer 3$2,961 AUD
Retailer 4$3,069 AUD
Retailer 11$3,069 AUD
Retailer 5$3,310 AUD
Retailer 7$4,212 AUD
Retailer 2$4,219 AUD
Retailer 12$4,810 AUD
Retailer 9$5,162 AUD
NZ Jewellers$5,751 AUD
Retailer 8$8,810 AUD

42 data points across 13 retailers

14 retailers$1,694 AUD to $5,162 AUD

B+
Cheapest Retailer
-
$1,694 AUD
$1,190 USD
B
Retailer 2
-
$2,645 AUD
$1,858 USD
View
B
Retailer 3
-
$2,879 AUD
$2,022 USD
View
B
Retailer 4
-
$2,961 AUD
$2,080 USD
View
Final sale: no returns
B
Retailer 5
-
$3,069 AUD
$2,156 USD
View
Retailer 6
-
$3,069 AUD
$2,156 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$3,310 AUD
$2,325 USD
View
B
Retailer 8
-
$4,212 AUD
£2,330 GBP
View
B
Retailer 9
-
$4,219 AUD
£2,334 GBP
View
B
Retailer 10
-
$4,810 AUD
$3,379 USD
View
B
Retailer 11
-
$5,162 AUD
$3,626 USD
View
Most Expensive
NZ Jewellers
f63556bc-fcef-455d-9283-50ff876dc9c5 · Oct 31
$5,751 AUD
$4,040 USD
View
Price under review
11 more retailers have this diamond
Prices start from $1,694 AUDSave up to $3,468 AUD

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
$1,694 AUD