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Oval|Lab Grown|IGI

1.68ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG698525958

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG698525958

Diamond specifications and retailer prices

From $523 NZD
$295 USD
As of October 29, 2026
Save $2,093 NZD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,616 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.68ct lab-grown oval diamond

This 1.68ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG698525958 or 698525958. Listed at 9 retailers as of October 29, 2026, with prices from $523 to $2,616, a $2,093 spread on the same certified stone. MOH London lists it at $2,616. 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

1.68
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698525958
Dimensions9.66 × 6.67 × 4.11 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm6.67 mm1.68 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698525958
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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: Oct 29
Current: $2,616 NZD|Low: $419 NZD|High: $2,632 NZD|Avg: $1,352 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$523 NZD
Retailer 11$586 NZD
Retailer 10$607 NZD
Retailer 2$725 NZD
Retailer 9$1,063 NZD
Retailer 5$1,065 NZD
Retailer 4$1,170 NZD
Retailer 12$1,487 NZD
Retailer 3$1,740 NZD
Retailer 6$1,994 NZD
Retailer 8$2,087 NZD
MOH London$2,616 NZD

36 data points across 12 retailers

9 retailers$523 NZD to $2,616 NZD

A
Cheapest Retailer
-
$523 NZD
$295 USD
A
Retailer 2
-
$586 NZD
$330 USD
View
Final sale: no returns
A
Retailer 3
-
$607 NZD
$342 USD
View
A
Retailer 4
-
$725 NZD
£322 GBP
View
B+
Retailer 5
-
$1,063 NZD
$599 USD
View
A
Retailer 6
-
$1,065 NZD
$600 USD
View
B
Retailer 7
-
$1,994 NZD
$1,124 USD
View
B
Retailer 8
-
$2,087 NZD
$1,176 USD
View
Most Expensive
B
MOH London
LG698525958 · Oct 29
$2,616 NZD
£1,161 GBP
View
8 more retailers have this diamond
Prices start from $523 NZDSave up to $2,093 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
1.68ct Oval
$523 NZD