CaratHunter
Plans
Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 1549750982

Certificate GIA 1549750982

Diamond specifications and retailer prices

From £6,323 GBP
$8,485 USD
As of November 1, 2026
Save £5,269 GBP (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £11,592 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549750982. Listed at 22 retailers as of October 30, 2026, with prices from £6,323 to £11,592, a £5,269 spread on the same certified stone. NZ Jewellers lists it at £11,592. 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

1.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.86°
Pavilion angle38.04°
OriginNatural
Grading LabGIA
CertificateGIA 1549750982
Dimensions10.98 × 6.00 × 3.64 mm
L/W Ratio1.83
Girdle conditionExtremely Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
10.98 mm6.00 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549750982
Side View
Table 63.0%Crown 38.86°Girdle: THK-ETKPavilion 38.04°Culet: NoneDepth 60.6%

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 1
Current: £11,592 GBP|Low: £6,323 GBP|High: £11,592 GBP|Avg: £8,348 GBP
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
November 2, 2026
Retailer 10£6,323 GBP
Retailer 6£6,512 GBP
Retailer 4£6,520 GBP
Retailer 5£6,956 GBP
Retailer 14£6,956 GBP
Retailer 7£7,014 GBP
Retailer 13£7,535 GBP
Retailer 9£7,549 GBP
Retailer 3£7,651 GBP
Retailer 2£8,057 GBP
Retailer 15£8,694 GBP
Retailer 8£8,761 GBP
Retailer 12£10,344 GBP
Retailer 11£10,863 GBP
NZ Jewellers£11,592 GBP

35 data points across 15 retailers

22 retailers£6,323 GBP to £11,592 GBP

B+
Cheapest Retailer
-
£6,323 GBP
$8,485 USD
B+
Retailer 2
-
£6,512 GBP
$8,739 USD
View
B+
Retailer 3
-
£6,520 GBP
$8,749 USD
View
B+
Retailer 4
-
£6,956 GBP
$9,334 USD
View
B+
Retailer 5
-
£6,956 GBP
$9,334 USD
View
Final sale: no returns
B+
Retailer 6
-
£7,014 GBP
$9,412 USD
View
B+
Retailer 7
-
£7,417 GBP
$9,953 USD
View
B+
Retailer 8
-
£7,441 GBP
$9,985 USD
View
B+
Retailer 9
-
£7,535 GBP
$10,112 USD
View
B+
Retailer 10
-
£7,549 GBP
View
B+
Retailer 11
-
£7,651 GBP
$10,267 USD
View
B
Retailer 12
-
£7,877 GBP
$10,570 USD
View
B
Retailer 13
-
£7,877 GBP
$10,570 USD
View
B+
Retailer 14
-
£8,057 GBP
View
B
Retailer 15
-
£8,137 GBP
$10,920 USD
View
B
Retailer 16
-
£8,694 GBP
$11,667 USD
View
Retailer 17
-
£8,694 GBP
$11,667 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
£8,761 GBP
€11,197 EUR
View
Retailer 19
-
£9,154 GBP
$12,284 USD
View
Price last confirmed 18 days ago
B
Retailer 20
-
£10,344 GBP
View
B
Retailer 21
-
£10,863 GBP
View
Most Expensive
B
NZ Jewellers
116673ab-6131-4634-8d9b-3ee3961d970b · Oct 30
£11,592 GBP
$15,556 USD
View
21 more retailers have this diamond
Prices start from £6,323 GBPSave up to £5,269 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.

B+
1.51ct Marquise
£6,323 GBP