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Radiant|Natural|GIA

1.77ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 1548098990

Certificate GIA 1548098990

Diamond specifications and retailer prices

From £8,725 GBP
$11,690 USD
As of October 30, 2026
Save £6,795 GBP (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £15,519 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.77ct natural radiant diamond

This 1.77ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548098990. Listed at 13 retailers as of October 30, 2026, with prices from £8,725 to £15,519, a £6,795 spread on the same certified stone. NZ Jewellers lists it at £15,519. 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

1.77
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548098990
Dimensions9.03 × 5.93 × 3.82 mm
L/W Ratio1.52
Top View
9.03 mm5.93 mm1.77 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548098990
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.4%

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: Oct 30
Current: £15,519 GBP|Low: £8,266 GBP|High: £15,519 GBP|Avg: £10,627 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
October 31, 2026
Retailer 7£8,284 GBP
Retailer 8£9,093 GBP
Retailer 11£9,312 GBP
Retailer 9£9,932 GBP
Retailer 12£10,087 GBP
Retailer 10£10,337 GBP
Retailer 13£10,475 GBP
Retailer 2£10,747 GBP
Retailer 3£10,807 GBP
Retailer 4£10,807 GBP
Retailer 5£11,165 GBP
Retailer 6£11,311 GBP
NZ Jewellers£15,519 GBP

40 data points across 13 retailers

13 retailers£8,725 GBP to £15,519 GBP

Retailer 1
-
£8,284 GBP
$11,100 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
£8,725 GBP
$11,690 USD
View
B+
Retailer 3
-
£9,093 GBP
$12,183 USD
View
Final sale: no returns
B
Retailer 4
-
£9,932 GBP
$13,308 USD
View
B
Retailer 5
-
£10,087 GBP
$13,516 USD
View
B
Retailer 6
-
£10,337 GBP
$13,851 USD
View
B
Retailer 7
-
£10,475 GBP
$14,036 USD
View
B
Retailer 8
-
£10,747 GBP
View
B
Retailer 9
-
£10,807 GBP
$14,480 USD
View
B
Retailer 10
-
£10,807 GBP
$14,480 USD
View
B
Retailer 11
-
£11,165 GBP
$14,960 USD
View
B
Retailer 12
-
£11,311 GBP
€14,434 EUR
View
Most Expensive
B
NZ Jewellers
2bfbc3be-6e5f-4667-bd6e-49b5a79def50 · Oct 30
£15,519 GBP
$20,794 USD
View
12 more retailers have this diamond
Prices start from £8,725 GBPSave up to £6,795 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+
1.77ct Radiant
£8,725 GBP