Oval|Natural|GIA

1.70ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6542381429

Certificate GIA 6542381429

Diamond specifications and retailer prices

From £6,171 GBP
HK$64,600 HKD
As of October 30, 2026
Save £5,210 GBP (46%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £11,381 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural oval diamond

This 1.7ct natural 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 6542381429. Listed at 25 retailers as of October 30, 2026, with prices from £6,171 to £11,381, a £5,210 spread on the same certified stone. NZ Jewellers lists it at £11,381. 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

1.70
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542381429
Dimensions9.21 × 6.72 × 4.22 mm
L/W Ratio1.37
Top View
9.21 mm6.72 mm1.70 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542381429
Side View
Table 64.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 62.8%

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 30
Current: £11,381 GBP|Low: £6,171 GBP|High: £11,735 GBP|Avg: £8,205 GBP|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
October 31, 2026
Retailer 7£6,171 GBP
Retailer 18£6,606 GBP
Retailer 5£6,619 GBP
Retailer 14£6,947 GBP
Retailer 16£7,039 GBP
Retailer 11£7,057 GBP
Retailer 9£7,202 GBP
Retailer 2£7,452 GBP
Retailer 13£7,471 GBP
Retailer 23£7,507 GBP
Retailer 12£7,536 GBP
Retailer 22£7,537 GBP
Retailer 15£7,572 GBP
Retailer 19£7,663 GBP
Retailer 8£8,166 GBP
Retailer 3£8,291 GBP
Retailer 10£8,355 GBP
Retailer 17£8,604 GBP
Retailer 6£9,422 GBP
Retailer 4£9,854 GBP
Retailer 20£10,721 GBP
Retailer 21£10,886 GBP
NZ Jewellers£11,381 GBP

21 data points across 23 retailers

25 retailers£6,171 GBP to £11,381 GBP

A
Cheapest Retailer
-
£6,171 GBP
HK$64,600 HKD
A
Retailer 2
-
£6,606 GBP
₹842,945 INR
View
A
Retailer 3
-
£6,619 GBP
$8,869 USD
View
B+
Retailer 4
-
£6,947 GBP
$9,308 USD
View
Retailer 5
-
£7,039 GBP
SGD 12,745 SGD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
£7,057 GBP
$9,455 USD
View
B+
Retailer 7
-
£7,202 GBP
$9,650 USD
View
B+
Retailer 8
-
£7,452 GBP
$9,985 USD
View
B+
Retailer 9
-
£7,471 GBP
View
Retailer 10
-
£7,507 GBP
A$15,475 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£7,536 GBP
$10,098 USD
View
Final sale: no returns
B+
Retailer 12
-
£7,537 GBP
$10,099 USD
View
B+
Retailer 13
-
£7,572 GBP
SGD 13,710 SGD
View
B+
Retailer 14
-
£7,663 GBP
View
B+
Retailer 15
-
£7,733 GBP
$10,361 USD
View
B+
Retailer 16
-
£8,081 GBP
A$16,658 AUD
View
B+
Retailer 17
-
£8,166 GBP
$10,941 USD
View
B+
Retailer 18
-
£8,291 GBP
$11,109 USD
View
B+
Retailer 19
-
£8,355 GBP
$11,195 USD
View
B+
Retailer 20
-
£8,604 GBP
€10,979 EUR
View
B+
Retailer 21
-
£9,422 GBP
$12,624 USD
View
Retailer 22
-
£9,854 GBP
ZAR 213,304 ZAR
View
Price last confirmed 9 days ago
B
Retailer 23
-
£10,721 GBP
View
B
Retailer 24
-
£10,886 GBP
View
Most Expensive
B
NZ Jewellers
8e50e939-006c-4c8f-8bac-23c1eb5210cd · Oct 30
£11,381 GBP
$15,249 USD
View
24 more retailers have this diamond
Prices start from £6,171 GBPSave up to £5,210 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
1.70ct Oval
£6,171 GBP