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Oval|Lab Grown|IGI

1.64ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG731533569

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG731533569

Diamond specifications and retailer prices

From $531 NZD
$298 USD
As of October 26, 2026
Save $5,470 NZD (91%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $6,000 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.64ct lab-grown oval diamond

This 1.64ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731533569 or 731533569. Listed at 28 retailers as of October 26, 2026, with prices from $531 to $6,000, a $5,470 spread on the same certified stone. Brilliant Earth lists it at $6,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731533569
Dimensions9.72 × 6.66 × 4.10 mm
L/W Ratio1.46
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
9.72 mm6.66 mm1.64 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731533569
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.6%

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 26
Current: $6,000 NZD|Low: $509 NZD|High: $6,000 NZD|Avg: $1,761 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 3$531 NZD
Retailer 11$593 NZD
Retailer 7$614 NZD
Retailer 5$657 NZD
Retailer 12$657 NZD
Retailer 14$751 NZD
Retailer 17$935 NZD
Retailer 20$956 NZD
Retailer 9$1,129 NZD
Retailer 16$1,247 NZD
Retailer 2$1,298 NZD
Retailer 15$1,691 NZD
Retailer 19$2,019 NZD
Retailer 6$2,332 NZD
Retailer 4$2,464 NZD
Retailer 8$2,681 NZD
Retailer 10$2,822 NZD
Retailer 13$2,924 NZD
Retailer 18$4,416 NZD
Brilliant Earth$6,000 NZD

44 data points across 20 retailers

28 retailers$531 NZD to $6,000 NZD

A
Cheapest Retailer
-
$531 NZD
$298 USD
A
Retailer 2
-
$593 NZD
$333 USD
View
Final sale: no returns
A
Retailer 3
-
$614 NZD
$345 USD
View
A
Retailer 4
-
$657 NZD
$369 USD
View
A
Retailer 5
-
$657 NZD
$369 USD
View
A
Retailer 6
-
$751 NZD
£332 GBP
View
A
Retailer 7
-
$934 NZD
HK$4,100 HKD
View
A
Retailer 8
-
$935 NZD
$525 USD
View
A
Retailer 9
-
$956 NZD
$537 USD
View
A
Retailer 10
-
$1,129 NZD
$634 USD
View
A
Retailer 11
-
$1,247 NZD
ZAR 11,313 ZAR
View
A
Retailer 12
-
$1,298 NZD
£574 GBP
View
A
Retailer 13
-
$1,643 NZD
$923 USD
View
A
Retailer 14
-
$1,691 NZD
A$1,461 AUD
View
B+
Retailer 15
-
$2,019 NZD
$1,134 USD
View
B+
Retailer 16
-
$2,332 NZD
$1,310 USD
View
B+
Retailer 17
-
$2,464 NZD
$1,384 USD
View
B+
Retailer 18
-
$2,525 NZD
$1,418 USD
View
B+
Retailer 19
-
$2,619 NZD
$1,471 USD
View
B+
Retailer 20
-
$2,673 NZD
$1,501 USD
View
B+
Retailer 21
-
$2,681 NZD
SGD 2,035 SGD
View
B+
Retailer 22
-
$2,822 NZD
£1,248 GBP
View
B+
Retailer 23
-
$2,924 NZD
£1,293 GBP
View
B
Retailer 24
-
$4,416 NZD
$2,480 USD
View
B
Retailer 25
-
$4,661 NZD
$2,618 USD
View
Price last confirmed 101 days ago
B
Retailer 26
-
$4,701 NZD
$2,640 USD
View
B
Retailer 27
-
$5,269 NZD
£2,330 GBP
View
Most Expensive
B
Brilliant Earth
20152709Y · Oct 29
$6,000 NZD
$3,370 USD
View
27 more retailers have this diamond
Prices start from $531 NZDSave up to $5,470 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
1.64ct Oval
$531 NZD