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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 $503 AUD
$353 USD
As of November 1, 2026
Save $2,200 AUD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,470 AUD at Do Amore Diamonds · As of October 31, 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

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: Nov 1
Current: $4,470 AUD|Low: $503 AUD|High: $4,470 AUD|Avg: $1,462 AUD
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 19
Retailer 20
November 1, 2026
Retailer 20$503 AUD
Retailer 18$584 AUD
Retailer 3$615 AUD
Retailer 5$624 AUD
Retailer 17$624 AUD
Retailer 15$626 AUD
Retailer 7$840 AUD
Retailer 8$1,018 AUD
Retailer 19$1,099 AUD
Retailer 10$1,106 AUD
Retailer 12$1,223 AUD
Retailer 2$1,226 AUD
Retailer 13$1,244 AUD
Retailer 14$1,310 AUD
Retailer 6$1,829 AUD
Retailer 9$1,938 AUD
Retailer 4$2,212 AUD
Retailer 11$2,432 AUD
Retailer 16$2,703 AUD
Do Amore Diamonds$4,470 AUD

16 data points across 20 retailers

20 retailers$503 AUD to $2,703 AUD

A
Cheapest Retailer
-
$503 AUD
$353 USD
A
Retailer 2
-
$584 AUD
$410 USD
View
A
Retailer 3
-
$615 AUD
$432 USD
View
A
Retailer 4
-
$624 AUD
$438 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$624 AUD
$438 USD
View
B+
Retailer 6
-
$626 AUD
$440 USD
View
B+
Retailer 7
-
$840 AUD
$590 USD
View
Retailer 8
-
$1,018 AUD
$715 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$1,099 AUD
$772 USD
View
B+
Retailer 10
-
$1,106 AUD
$777 USD
View
B+
Retailer 11
-
$1,223 AUD
$859 USD
View
B+
Retailer 12
-
$1,226 AUD
£678 GBP
View
B+
Retailer 13
-
$1,244 AUD
£688 GBP
View
B+
Retailer 14
-
$1,310 AUD
$920 USD
View
B
Retailer 15
-
$1,829 AUD
$1,285 USD
View
B
Retailer 16
-
$1,938 AUD
$1,361 USD
View
B
Retailer 17
-
$2,212 AUD
$1,554 USD
View
B
Retailer 18
-
$2,432 AUD
$1,708 USD
View
B
Retailer 19
-
$2,703 AUD
£1,495 GBP
View
Most Expensive
Do Amore Diamonds
27-B5C25970B · Oct 31
$4,470 AUD
$3,140 USD
View
Price under review
19 more retailers have this diamond
Prices start from $503 AUDSave up to $2,200 AUD

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
$503 AUD