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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 $4,341 NZD
As of November 5, 2026
Save $4,944 NZD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,445 NZD 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: $13,445 NZD|Low: $4,166 NZD|High: $14,413 NZD|Avg: $8,077 NZD|-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$4,341 NZD
Retailer 10$4,723 NZD
Retailer 8$5,034 NZD
Retailer 6$5,328 NZD
Retailer 12$6,308 NZD
Retailer 11$6,920 NZD
Retailer 5$7,548 NZD
Retailer 9$7,850 NZD
Retailer 2$9,284 NZD
Retailer 4$11,268 NZD
MOH London$13,445 NZD
Retailer 3$14,413 NZD

19 data points across 12 retailers

10 retailers$4,341 NZD to $9,284 NZD

B+
Cheapest Retailer
-
$4,341 NZD
B
Retailer 2
-
$4,723 NZD
View
B
Retailer 3
-
$5,034 NZD
View
Retailer 4
-
$5,034 NZD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$5,328 NZD
View
B
Retailer 6
-
$6,920 NZD
View
B
Retailer 7
-
$7,548 NZD
View
B
Retailer 8
-
$7,850 NZD
View
B
Retailer 9
-
$9,284 NZD
View
Most Expensive
MOH London
LG425065337 · Nov 5
$13,445 NZD
£5,951 GBP
View
Price under review
9 more retailers have this diamond
Prices start from $4,341 NZDSave up to $4,944 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.

B+
1.70ct Round
$4,341 NZD