Oval|Lab Grown|IGI

1.60ct D SI1 Oval Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $296 USD
As of October 26, 2026
Save $884 USD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,180 USD at NZ Jewellers · As of October 12, 2026
View at NZ Jewellers

About this 1.6ct lab-grown oval diamond

This 1.6ct 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. Listed at 20 retailers as of October 24, 2026, with a 299% 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

1.60
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.13 × 6.66 × 4.17 mm
L/W Ratio1.37
Top View
9.13 mm6.66 mm1.60 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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 26
Current: $1,180 USD|Low: $204 USD|High: $1,180 USD|Avg: $471 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 8$204 USD
Retailer 3$296 USD
Retailer 6$343 USD
Retailer 4$367 USD
Retailer 5$367 USD
Retailer 2$410 USD
Retailer 7$630 USD
NZ Jewellers$1,180 USD

30 data points across 8 retailers

20 retailers$296 USD to $1,180 USD

Retailer 1
-
$284 USD
Price last confirmed 25 days ago
Retailer 2
-
$296 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$296 USD
View
Retailer 4
-
$296 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$296 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$343 USD
View
Retailer 7
-
$343 USD
View
Price last confirmed 16 days ago
Retailer 8
-
$362 USD
View
Price last confirmed 30 days ago
Retailer 9
-
$367 USD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$367 USD
View
A
Retailer 11
-
$367 USD
View
Retailer 12
-
$367 USD
View
Price last confirmed 27 days ago
Retailer 13
-
$367 USD
View
Price last confirmed 18 days ago
A
Retailer 14
-
$410 USD
£323 GBP
View
B+
Retailer 15
-
$630 USD
View
B
Retailer 16
-
$1,180 USD
View
Retailer 17
-
$1,180 USD
View
Price last confirmed 30 days ago
Retailer 18
-
$1,180 USD
View
Price last confirmed 26 days ago
Retailer 19
-
$1,180 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
5a88c21f-ff89-45e7-8b2c-ad5f7762885e · Oct 12
$1,180 USD
View
Price last confirmed 18 days ago
19 more retailers have this diamond
Prices start from $296 USDSave up to $884 USD

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
1.60ct Oval
$296 USD