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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 $412 NZD
$232 USD
As of October 29, 2026
Save $2,303 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,715 NZD 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 $412 to $2,715, a $2,303 spread on the same certified stone. Brilliant Earth lists it at $2,715. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,715 NZD|Low: $396 NZD|High: $2,874 NZD|Avg: $1,139 NZD|-2.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 16$412 NZD
Retailer 18$460 NZD
Retailer 8$477 NZD
Retailer 7$511 NZD
Retailer 17$511 NZD
Retailer 11$570 NZD
Retailer 5$688 NZD
Retailer 12$820 NZD
Retailer 2$956 NZD
Retailer 9$965 NZD
Retailer 14$990 NZD
Retailer 4$992 NZD
Retailer 6$1,641 NZD
Retailer 15$1,648 NZD
Retailer 10$1,735 NZD
Retailer 13$2,051 NZD
Retailer 3$2,300 NZD
Brilliant Earth$2,715 NZD

39 data points across 18 retailers

18 retailers$412 NZD to $2,715 NZD

A
Cheapest Retailer
-
$412 NZD
$232 USD
A
Retailer 2
-
$460 NZD
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$477 NZD
$269 USD
View
A
Retailer 4
-
$511 NZD
$288 USD
View
A
Retailer 5
-
$511 NZD
$288 USD
View
A
Retailer 6
-
$570 NZD
£253 GBP
View
B+
Retailer 7
-
$688 NZD
$388 USD
View
A
Retailer 8
-
$820 NZD
€440 EUR
View
A
Retailer 9
-
$956 NZD
£424 GBP
View
B+
Retailer 10
-
$965 NZD
$544 USD
View
B+
Retailer 11
-
$990 NZD
A$858 AUD
View
B+
Retailer 12
-
$992 NZD
$559 USD
View
B
Retailer 13
-
$1,641 NZD
$925 USD
View
B
Retailer 14
-
$1,648 NZD
$929 USD
View
B
Retailer 15
-
$1,735 NZD
$978 USD
View
B
Retailer 16
-
$2,051 NZD
£910 GBP
View
B
Retailer 17
-
$2,300 NZD
$1,296 USD
View
Most Expensive
B
Brilliant Earth
16080879A · Oct 29
$2,715 NZD
$1,530 USD
View
17 more retailers have this diamond
Prices start from $412 NZDSave up to $2,303 NZD

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
$412 NZD