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Oval|Lab Grown|IGI

1.61ct D SI2 Oval Lab Grown Diamond

ID • D/SI2 • IGI LG497143897

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497143897

Diamond specifications and retailer prices

From $1,250 USD
As of October 30, 2026
Save $1,769 USD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,601 USD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.61ct lab-grown oval diamond

This 1.61ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497143897 or 497143897. Listed at 11 retailers as of October 26, 2026, with a 142% 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

1.61
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497143897
Dimensions9.58 × 6.38 × 4.07 mm
L/W Ratio1.50
Girdle conditionFaceted
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
9.58 mm6.38 mm1.61 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497143897
Side View
Table 61.0%Crown 35.2°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 63.8%

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: $3,601 USD|Low: $1,243 USD|High: $5,552 USD|Avg: $2,521 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
Retailer 13
October 31, 2026
Retailer 4$1,243 USD
Retailer 6$1,250 USD
Retailer 9$1,656 USD
Retailer 12$1,802 USD
Retailer 13$1,854 USD
Retailer 10$1,921 USD
Retailer 5$1,968 USD
Retailer 3$2,574 USD
Retailer 2$2,723 USD
Retailer 11$3,019 USD
Retailer 8$3,312 USD
NZ Jewellers$3,601 USD
Retailer 7$5,494 USD

43 data points across 13 retailers

11 retailers$1,250 USD to $3,019 USD

B+
Cheapest Retailer
-
$1,250 USD
B
Retailer 2
-
$1,656 USD
View
B
Retailer 3
-
$1,802 USD
View
B
Retailer 4
-
$1,854 USD
View
Final sale: no returns
Retailer 5
-
$1,921 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$1,921 USD
View
B
Retailer 7
-
$2,723 USD
£2,144 GBP
View
B
Retailer 8
-
$3,019 USD
View
Retailer 9
-
$3,312 USD
View
Price under review
Most Expensive
NZ Jewellers
c2f3e1f9-2bad-4911-8156-39378e8426f2 · Oct 28
$3,601 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,250 USDSave up to $1,769 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+
1.61ct Oval
$1,250 USD