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Radiant|Lab Grown|IGI

1.61ct E IF Radiant Lab Grown Diamond

VG • E/IF • IGI LG681570182

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

Certificate IGI LG681570182

Diamond specifications and retailer prices

From $486 NZD
$274 USD
As of October 30, 2026
Save $2,048 NZD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,125 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.61ct lab-grown radiant diamond

This 1.61ct 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 very-good cut grade and certified by IGI LG681570182 or 681570182. Listed at 21 retailers as of October 30, 2026, with a 421% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.61
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681570182
Dimensions7.90 × 5.66 × 4.38 mm
L/W Ratio1.40
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
7.90 mm5.66 mm1.61 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681570182
Side View
Table 64.0%Crown 39.9°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 77.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,125 NZD|Low: $472 NZD|High: $4,170 NZD|Avg: $1,460 NZD|-1.1%
Rare Carat
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
Retailer 19
Retailer 20
October 30, 2026
Retailer 18$486 NZD
Retailer 10$541 NZD
Retailer 9$562 NZD
Retailer 5$601 NZD
Retailer 7$601 NZD
Retailer 2$622 NZD
Retailer 17$887 NZD
Retailer 3$997 NZD
Retailer 16$1,034 NZD
Retailer 13$1,058 NZD
Retailer 19$1,073 NZD
Retailer 15$1,400 NZD
Retailer 20$1,849 NZD
Retailer 6$1,934 NZD
Retailer 12$2,005 NZD
Retailer 4$2,025 NZD
Retailer 11$2,353 NZD
Retailer 14$2,425 NZD
Retailer 8$2,534 NZD
Rare Carat$4,125 NZD

26 data points across 20 retailers

21 retailers$486 NZD to $2,534 NZD

A
Cheapest Retailer
-
$486 NZD
$274 USD
A
Retailer 2
-
$541 NZD
$305 USD
View
Final sale: no returns
A
Retailer 3
-
$562 NZD
$317 USD
View
A
Retailer 4
-
$601 NZD
$339 USD
View
A
Retailer 5
-
$601 NZD
$339 USD
View
A
Retailer 6
-
$622 NZD
£276 GBP
View
A
Retailer 7
-
$887 NZD
$500 USD
View
A
Retailer 8
-
$997 NZD
$562 USD
View
A
Retailer 9
-
$1,034 NZD
ZAR 9,415 ZAR
View
A
Retailer 10
-
$1,058 NZD
£470 GBP
View
A
Retailer 11
-
$1,073 NZD
$605 USD
View
A
Retailer 12
-
$1,400 NZD
A$1,214 AUD
View
B+
Retailer 13
-
$1,849 NZD
$1,042 USD
View
B+
Retailer 14
-
$1,934 NZD
$1,090 USD
View
B+
Retailer 15
-
$2,005 NZD
$1,130 USD
View
B+
Retailer 16
-
$2,025 NZD
$1,141 USD
View
B+
Retailer 17
-
$2,353 NZD
£1,044 GBP
View
B+
Retailer 18
-
$2,378 NZD
$1,340 USD
View
B+
Retailer 19
-
$2,425 NZD
£1,076 GBP
View
B+
Retailer 20
-
$2,534 NZD
$1,428 USD
View
Most Expensive
Rare Carat
V81-08A_l_681570182 · Oct 18
$4,125 NZD
$2,325 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from $486 NZDSave up to $2,048 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
1.61ct Radiant
$486 NZD