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Round|Lab Grown|IGI

1.70ct K VS1 Round Lab Grown Diamond

EX • K/VS1 • IGI LG425065337

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065337

Diamond specifications and retailer prices

From $3,486 AUD
As of November 5, 2026
Save $3,970 AUD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,796 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG425065337 or 425065337. Listed at 10 retailers as of November 3, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065337
Dimensions7.80 × 7.83 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.80 mm7.83 mm1.70 ctK / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065337
Side View
Table 60.5%Crown 31.5°Girdle: UNDPavilion 40.2°Culet: NoneDepth 58.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,796 AUD|Low: $3,346 AUD|High: $11,574 AUD|Avg: $6,486 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 7$3,486 AUD
Retailer 10$3,793 AUD
Retailer 8$4,043 AUD
Retailer 6$4,278 AUD
Retailer 12$5,065 AUD
Retailer 11$5,557 AUD
Retailer 5$6,061 AUD
Retailer 9$6,304 AUD
Retailer 2$7,455 AUD
Retailer 4$9,048 AUD
MOH London$10,796 AUD
Retailer 3$11,574 AUD

19 data points across 12 retailers

10 retailers$3,486 AUD to $7,455 AUD

B+
Cheapest Retailer
-
$3,486 AUD
B
Retailer 2
-
$3,793 AUD
View
B
Retailer 3
-
$4,043 AUD
View
Retailer 4
-
$4,043 AUD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$4,278 AUD
View
B
Retailer 6
-
$5,557 AUD
View
B
Retailer 7
-
$6,061 AUD
View
B
Retailer 8
-
$6,304 AUD
View
B
Retailer 9
-
$7,455 AUD
View
Most Expensive
MOH London
LG425065337 · Nov 5
$10,796 AUD
£5,951 GBP
View
Price under review
9 more retailers have this diamond
Prices start from $3,486 AUDSave up to $3,970 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.

B+
1.70ct Round
$3,486 AUD