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Oval|Lab Grown|GIA

1.60ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • GIA 2444098588

Certificate GIA 2444098588

Diamond specifications and retailer prices

From £307 GBP
$411 USD
As of October 29, 2026
Save £915 GBP (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,222 GBP at NZ Jewellers · As of October 28, 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 stated by the retailer rather than the lab and certified by GIA 2444098588. Listed at 6 retailers as of October 28, 2026, with prices from £307 to £1,222, a £915 spread on the same certified stone. NZ Jewellers lists it at £1,222. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2444098588
Dimensions9.27 × 6.58 × 4.17 mm
L/W Ratio1.41
Top View
9.27 mm6.58 mm1.60 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2444098588
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 63.3%

Caratlytics Score

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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: Oct 29
Current: £1,222 GBP|Low: £294 GBP|High: £1,545 GBP|Avg: £679 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3£307 GBP
Retailer 5£343 GBP
Retailer 4£380 GBP
Retailer 6£380 GBP
Retailer 2£918 GBP
NZ Jewellers£1,222 GBP

8 data points across 6 retailers

6 retailers£307 GBP to £1,222 GBP

A
Cheapest Retailer
-
£307 GBP
$411 USD
A
Retailer 2
-
£343 GBP
$460 USD
View
A
Retailer 3
-
£380 GBP
$509 USD
View
A
Retailer 4
-
£380 GBP
$509 USD
View
B
Retailer 5
-
£918 GBP
$1,230 USD
View
Most Expensive
B
NZ Jewellers
7e619d20-a3ba-465a-8492-b9538bd999d0 · Oct 28
£1,222 GBP
$1,637 USD
View
5 more retailers have this diamond
Prices start from £307 GBPSave up to £915 GBP

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
£307 GBP