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Oval|Lab Grown|IGI

1.59ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG770629662

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770629662

Diamond specifications and retailer prices

From $300 AUD
$211 USD
As of October 29, 2026
Save $1,448 AUD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,748 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.59ct lab-grown oval diamond

This 1.59ct 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 LG770629662 or 770629662. Listed at 20 retailers as of October 29, 2026, with prices from $300 to $1,748, a $1,448 spread on the same certified stone. Reve Diamonds lists it at $1,748. 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

1.59
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770629662
Dimensions9.68 × 6.60 × 4.00 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm6.60 mm1.59 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770629662
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.6%

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: $336 AUD|Low: $288 AUD|High: $1,765 AUD|Avg: $852 AUD|-17.5%
Retailer 1
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
October 31, 2026
Retailer 14$300 AUD
Retailer 1$336 AUD
Retailer 5$349 AUD
Retailer 3$372 AUD
Retailer 10$415 AUD
Retailer 12$605 AUD
Retailer 7$682 AUD
Retailer 8$775 AUD
Retailer 6$783 AUD
Retailer 9$937 AUD
Retailer 13$1,317 AUD
Retailer 11$1,499 AUD
Retailer 4$1,671 AUD
Retailer 2$1,723 AUD

42 data points across 14 retailers

20 retailers$300 AUD to $1,748 AUD

A
Cheapest Retailer
-
$300 AUD
$211 USD
A
Retailer 2
-
$336 AUD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
$349 AUD
$245 USD
View
A
Retailer 4
-
$372 AUD
$261 USD
View
A
Retailer 5
-
$415 AUD
£230 GBP
View
A
Retailer 6
-
$419 AUD
HK$2,300 HKD
View
B+
Retailer 7
-
$515 AUD
$362 USD
View
A
Retailer 8
-
$605 AUD
€405 EUR
View
A
Retailer 9
-
$682 AUD
£377 GBP
View
B+
Retailer 10
-
$775 AUD
View
B+
Retailer 11
-
$783 AUD
$550 USD
View
B+
Retailer 12
-
$787 AUD
$553 USD
View
B+
Retailer 13
-
$937 AUD
$658 USD
View
B
Retailer 14
-
$1,208 AUD
SGD 1,147 SGD
View
B
Retailer 15
-
$1,272 AUD
$893 USD
View
Retailer 16
-
$1,317 AUD
$925 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
$1,499 AUD
£829 GBP
View
B
Retailer 18
-
$1,671 AUD
$1,174 USD
View
B
Retailer 19
-
$1,723 AUD
$1,210 USD
View
Most Expensive
B
Reve Diamonds
4CAFE8869 · Oct 30
$1,748 AUD
$1,228 USD
View
19 more retailers have this diamond
Prices start from $300 AUDSave up to $1,448 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
1.59ct Oval
$300 AUD