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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 $374 NZD
$211 USD
As of October 29, 2026
Save $1,804 NZD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,179 NZD 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 $374 to $2,179, a $1,804 spread on the same certified stone. Reve Diamonds lists it at $2,179. 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: $419 NZD|Low: $358 NZD|High: $2,200 NZD|Avg: $1,062 NZD|-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$374 NZD
Retailer 1$419 NZD
Retailer 5$435 NZD
Retailer 3$463 NZD
Retailer 10$518 NZD
Retailer 12$755 NZD
Retailer 7$850 NZD
Retailer 8$966 NZD
Retailer 6$975 NZD
Retailer 9$1,167 NZD
Retailer 13$1,641 NZD
Retailer 11$1,868 NZD
Retailer 4$2,083 NZD
Retailer 2$2,147 NZD

42 data points across 14 retailers

20 retailers$374 NZD to $2,179 NZD

A
Cheapest Retailer
-
$374 NZD
$211 USD
A
Retailer 2
-
$419 NZD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
$435 NZD
$245 USD
View
A
Retailer 4
-
$463 NZD
$261 USD
View
A
Retailer 5
-
$518 NZD
£230 GBP
View
A
Retailer 6
-
$522 NZD
HK$2,300 HKD
View
B+
Retailer 7
-
$642 NZD
$362 USD
View
A
Retailer 8
-
$755 NZD
€405 EUR
View
A
Retailer 9
-
$850 NZD
£377 GBP
View
B+
Retailer 10
-
$966 NZD
A$838 AUD
View
B+
Retailer 11
-
$975 NZD
$550 USD
View
B+
Retailer 12
-
$981 NZD
$553 USD
View
B+
Retailer 13
-
$1,167 NZD
$658 USD
View
B
Retailer 14
-
$1,506 NZD
SGD 1,147 SGD
View
B
Retailer 15
-
$1,585 NZD
$893 USD
View
Retailer 16
-
$1,641 NZD
$925 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
$1,868 NZD
£829 GBP
View
B
Retailer 18
-
$2,083 NZD
$1,174 USD
View
B
Retailer 19
-
$2,147 NZD
$1,210 USD
View
Most Expensive
B
Reve Diamonds
4CAFE8869 · Oct 30
$2,179 NZD
$1,228 USD
View
19 more retailers have this diamond
Prices start from $374 NZDSave up to $1,804 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
1.59ct Oval
$374 NZD