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Oval|Lab Grown|IGI

1.61ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG523296563

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG523296563

Diamond specifications and retailer prices

From $232 USD
As of October 29, 2026
Save $1,298 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,530 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523296563 or 523296563. Listed at 18 retailers as of October 29, 2026, with prices from $232 to $1,530, a $1,298 spread on the same certified stone. Brilliant Earth lists it at $1,530. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523296563
Dimensions9.51 × 6.70 × 4.03 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
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
9.51 mm6.70 mm1.61 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523296563
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,530 USD|Low: $223 USD|High: $1,620 USD|Avg: $641 USD|-2.5%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
October 30, 2026
Retailer 16$232 USD
Retailer 18$259 USD
Retailer 8$269 USD
Retailer 7$288 USD
Retailer 17$288 USD
Retailer 2$321 USD
Retailer 5$388 USD
Retailer 12$462 USD
Retailer 11$543 USD
Retailer 9$544 USD
Retailer 14$558 USD
Retailer 4$559 USD
Retailer 6$925 USD
Retailer 15$929 USD
Retailer 10$978 USD
Retailer 13$1,156 USD
Retailer 3$1,296 USD
Brilliant Earth$1,530 USD

38 data points across 18 retailers

18 retailers$232 USD to $1,530 USD

A
Cheapest Retailer
-
$232 USD
A
Retailer 2
-
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$269 USD
View
A
Retailer 4
-
$288 USD
View
A
Retailer 5
-
$288 USD
View
A
Retailer 6
-
$321 USD
£253 GBP
View
B+
Retailer 7
-
$388 USD
View
A
Retailer 8
-
$462 USD
€440 EUR
View
A
Retailer 9
-
$543 USD
£428 GBP
View
B+
Retailer 10
-
$544 USD
View
B+
Retailer 11
-
$558 USD
A$858 AUD
View
B+
Retailer 12
-
$559 USD
View
B
Retailer 13
-
$925 USD
View
B
Retailer 14
-
$929 USD
View
B
Retailer 15
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$978 USD
View
B
Retailer 16
-
$1,156 USD
£910 GBP
View
B
Retailer 17
-
$1,296 USD
View
Most Expensive
B
Brilliant Earth
16080879A · Oct 29
$1,530 USD
View
17 more retailers have this diamond
Prices start from $232 USDSave up to $1,298 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.

A
1.61ct Oval
$232 USD