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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 $330 AUD
$232 USD
As of October 29, 2026
Save $1,848 AUD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,178 AUD 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 $330 to $2,178, a $1,848 spread on the same certified stone. Brilliant Earth lists it at $2,178. 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: $2,178 AUD|Low: $317 AUD|High: $2,306 AUD|Avg: $914 AUD|-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$330 AUD
Retailer 18$369 AUD
Retailer 8$383 AUD
Retailer 7$410 AUD
Retailer 17$410 AUD
Retailer 11$458 AUD
Retailer 5$552 AUD
Retailer 12$658 AUD
Retailer 2$767 AUD
Retailer 9$774 AUD
Retailer 14$794 AUD
Retailer 4$796 AUD
Retailer 6$1,317 AUD
Retailer 15$1,323 AUD
Retailer 10$1,392 AUD
Retailer 13$1,645 AUD
Retailer 3$1,845 AUD
Brilliant Earth$2,178 AUD

39 data points across 18 retailers

18 retailers$330 AUD to $2,178 AUD

A
Cheapest Retailer
-
$330 AUD
$232 USD
A
Retailer 2
-
$369 AUD
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$383 AUD
$269 USD
View
A
Retailer 4
-
$410 AUD
$288 USD
View
A
Retailer 5
-
$410 AUD
$288 USD
View
A
Retailer 6
-
$458 AUD
£253 GBP
View
B+
Retailer 7
-
$552 AUD
$388 USD
View
A
Retailer 8
-
$658 AUD
€440 EUR
View
A
Retailer 9
-
$767 AUD
£424 GBP
View
B+
Retailer 10
-
$774 AUD
$544 USD
View
B+
Retailer 11
-
$794 AUD
View
B+
Retailer 12
-
$796 AUD
$559 USD
View
B
Retailer 13
-
$1,317 AUD
$925 USD
View
B
Retailer 14
-
$1,323 AUD
$929 USD
View
B
Retailer 15
-
$1,392 AUD
$978 USD
View
B
Retailer 16
-
$1,645 AUD
£910 GBP
View
B
Retailer 17
-
$1,845 AUD
$1,296 USD
View
Most Expensive
B
Brilliant Earth
16080879A · Oct 29
$2,178 AUD
$1,530 USD
View
17 more retailers have this diamond
Prices start from $330 AUDSave up to $1,848 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.

A
1.61ct Oval
$330 AUD