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Radiant|Lab Grown|IGI

1.60ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG711525165

Shape and cutting style on the report: Cut cornered square modified brilliant

Certificate IGI LG711525165

Diamond specifications and retailer prices

From $1,136 NZD
$640 USD
As of October 30, 2026
Save $4,351 NZD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,487 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.6ct lab-grown radiant diamond

This 1.6ct lab-grown radiant 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 LG711525165 or 711525165. Listed at 13 retailers as of October 29, 2026, with prices from $1,136 to $5,487, a $4,351 spread on the same certified stone. MOH London lists it at $5,487. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711525165
Dimensions6.50 × 6.44 × 4.43 mm
L/W Ratio1.01
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
6.50 mm6.44 mm1.60 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711525165
Side View
Table 62.0%Crown 43.3°Girdle: MediumPavilion 36°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
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 30
Current: $5,487 NZD|Low: $809 NZD|High: $6,017 NZD|Avg: $3,119 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 12$1,136 NZD
Retailer 7$1,258 NZD
Retailer 3$1,499 NZD
Retailer 11$1,643 NZD
Retailer 8$1,936 NZD
Retailer 6$1,943 NZD
Retailer 2$2,161 NZD
Retailer 13$3,650 NZD
Retailer 4$3,891 NZD
Retailer 9$4,049 NZD
Retailer 5$4,063 NZD
Retailer 10$4,334 NZD
MOH London$5,487 NZD

24 data points across 13 retailers

13 retailers$1,136 NZD to $5,487 NZD

A
Cheapest Retailer
-
$1,136 NZD
$640 USD
Final sale: no returns
Retailer 2
-
$1,258 NZD
$709 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$1,499 NZD
HK$6,600 HKD
View
Price last confirmed 56 days ago
A
Retailer 4
-
$1,643 NZD
$926 USD
View
A
Retailer 5
-
$1,936 NZD
$1,091 USD
View
B+
Retailer 6
-
$1,943 NZD
$1,095 USD
View
B+
Retailer 7
-
$2,161 NZD
ZAR 19,672 ZAR
View
B
Retailer 8
-
$3,650 NZD
£1,620 GBP
View
B
Retailer 9
-
$3,891 NZD
$2,193 USD
View
B
Retailer 10
-
$4,049 NZD
$2,282 USD
View
B
Retailer 11
-
$4,063 NZD
$2,290 USD
View
Retailer 12
-
$4,334 NZD
SGD 3,301 SGD
View
Price last confirmed 22 days ago
Most Expensive
B
MOH London
LG711525165 · Oct 29
$5,487 NZD
£2,435 GBP
View
12 more retailers have this diamond
Prices start from $1,136 NZDSave up to $4,351 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
1.60ct Radiant
$1,136 NZD