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Round|Lab Grown|IGI

1.62ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG395982637

Shape and cutting style on the report: Round brilliant

Certificate IGI LG395982637

Diamond specifications and retailer prices

From $627 NZD
$353 USD
As of November 1, 2026
Save $2,747 NZD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,581 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG395982637 or 395982637. Listed at 20 retailers as of October 29, 2026, with a 438% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.62
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG395982637
Dimensions7.48 × 7.55 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.48 mm7.55 mm1.62 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG395982637
Side View
Table 57.5%Crown 35°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,581 NZD|Low: $627 NZD|High: $5,581 NZD|Avg: $1,821 NZD
Do Amore Diamonds
Retailer 2
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Retailer 20
November 2, 2026
Retailer 20$627 NZD
Retailer 18$729 NZD
Retailer 3$768 NZD
Retailer 5$778 NZD
Retailer 17$778 NZD
Retailer 15$782 NZD
Retailer 7$1,049 NZD
Retailer 8$1,271 NZD
Retailer 19$1,372 NZD
Retailer 10$1,381 NZD
Retailer 12$1,527 NZD
Retailer 2$1,530 NZD
Retailer 13$1,554 NZD
Retailer 14$1,671 NZD
Retailer 6$2,284 NZD
Retailer 9$2,419 NZD
Retailer 4$2,762 NZD
Retailer 11$3,036 NZD
Retailer 16$3,374 NZD
Do Amore Diamonds$5,581 NZD

17 data points across 20 retailers

20 retailers$627 NZD to $3,374 NZD

A
Cheapest Retailer
-
$627 NZD
$353 USD
A
Retailer 2
-
$729 NZD
$410 USD
View
A
Retailer 3
-
$768 NZD
$432 USD
View
Retailer 4
-
$778 NZD
$438 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$778 NZD
$438 USD
View
B+
Retailer 6
-
$782 NZD
$440 USD
View
B+
Retailer 7
-
$1,049 NZD
$590 USD
View
Retailer 8
-
$1,271 NZD
$715 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$1,372 NZD
$772 USD
View
B+
Retailer 10
-
$1,381 NZD
$777 USD
View
B+
Retailer 11
-
$1,527 NZD
$859 USD
View
B+
Retailer 12
-
$1,530 NZD
£678 GBP
View
B+
Retailer 13
-
$1,554 NZD
£688 GBP
View
B
Retailer 14
-
$1,671 NZD
$940 USD
View
B
Retailer 15
-
$2,284 NZD
$1,285 USD
View
B
Retailer 16
-
$2,419 NZD
$1,361 USD
View
B
Retailer 17
-
$2,762 NZD
$1,554 USD
View
B
Retailer 18
-
$3,036 NZD
$1,708 USD
View
B
Retailer 19
-
$3,374 NZD
£1,495 GBP
View
Most Expensive
Do Amore Diamonds
27-B5C25970B · Nov 2
$5,581 NZD
$3,140 USD
View
Price under review
19 more retailers have this diamond
Prices start from $627 NZDSave up to $2,747 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
1.62ct Round
$627 NZD